Home / 47,572.50-65,475.27-40,781.88

Finding the Fourth Proportional to 47,572.50, 65,475.27 and 40,781.88

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Solution

The fourth proportional to 47,572.50, 65,475.27 and 40,781.88 is: 56,129.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,572.50 : 65,475.27 = 40,781.88 : x
  2. Step 2: Convert to fraction form
    47,572.50/65,475.27 = 40,781.88/x
  3. Step 3: Cross multiply
    47,572.50x = 65,475.27 × 40,781.88
  4. Step 4: Simplify right side
    47,572.50x = 2,670,204,604.11
  5. Step 5: Solve for x
    x = 2,670,204,604.11/47,572.50
  6. Step 6: Final answer
    x = 56,129.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.