Finding the Fourth Proportional to 86,590.08, 129,890.16 and 24,265.44
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Solution
The fourth proportional to 86,590.08, 129,890.16 and 24,265.44 is: 36,399.57
Step by Step Solution
- Step 1: Write the proportion equation
86,590.08 : 129,890.16 = 24,265.44 : x - Step 2: Convert to fraction form
86,590.08/129,890.16 = 24,265.44/x - Step 3: Cross multiply
86,590.08x = 129,890.16 × 24,265.44 - Step 4: Simplify right side
86,590.08x = 3,151,841,884.07 - Step 5: Solve for x
x = 3,151,841,884.07/86,590.08 - Step 6: Final answer
x = 36,399.57
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1.5x scale
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.