Finding the Fourth Proportional to 86,585.92, 129,881.04 and 24,261.28
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Solution
The fourth proportional to 86,585.92, 129,881.04 and 24,261.28 is: 36,392.53
Step by Step Solution
- Step 1: Write the proportion equation
86,585.92 : 129,881.04 = 24,261.28 : x - Step 2: Convert to fraction form
86,585.92/129,881.04 = 24,261.28/x - Step 3: Cross multiply
86,585.92x = 129,881.04 × 24,261.28 - Step 4: Simplify right side
86,585.92x = 3,151,080,278.13 - Step 5: Solve for x
x = 3,151,080,278.13/86,585.92 - Step 6: Final answer
x = 36,392.53
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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.