Finding the Fourth Proportional to 73,941.44, 110,910.53 and 20,631.99
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Solution
The fourth proportional to 73,941.44, 110,910.53 and 20,631.99 is: 30,947.54
Step by Step Solution
- Step 1: Write the proportion equation
73,941.44 : 110,910.53 = 20,631.99 : x - Step 2: Convert to fraction form
73,941.44/110,910.53 = 20,631.99/x - Step 3: Cross multiply
73,941.44x = 110,910.53 × 20,631.99 - Step 4: Simplify right side
73,941.44x = 2,288,305,413.35 - Step 5: Solve for x
x = 2,288,305,413.35/73,941.44 - Step 6: Final answer
x = 30,947.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.