well-fixed vs prosperous

well-fixed and prosperous both are adjectives.

Word	Noun	Adjective	Verb	Adverb
well-fixed	No	Yes	No	No
prosperous	No	Yes	No	No

As adjectives, well-fixed and prosperous are synonyms defined as:

well-fixed and prosperous: in fortunate circumstances financially; moderately rich

Other synonyms of well-fixed include comfortable, easy, well-heeled, well-off, well-situated, well-to-do.

well-fixed (adjective)	prosperous (adjective)
in fortunate circumstances financially; moderately rich	marked by peace and prosperity
	presaging or likely to bring good luck or a good outcome
	in fortunate circumstances financially; moderately rich
	very lively and profitable