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Finding the Fourth Proportional to 36,592.74, 54,892.77 and 9,939.15

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Solution

The fourth proportional to 36,592.74, 54,892.77 and 9,939.15 is: 14,909.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,592.74 : 54,892.77 = 9,939.15 : x
  2. Step 2: Convert to fraction form
    36,592.74/54,892.77 = 9,939.15/x
  3. Step 3: Cross multiply
    36,592.74x = 54,892.77 × 9,939.15
  4. Step 4: Simplify right side
    36,592.74x = 545,587,474.95
  5. Step 5: Solve for x
    x = 545,587,474.95/36,592.74
  6. Step 6: Final answer
    x = 14,909.72

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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.