Home / 55,061.28-75,984.56-29,910.76

Finding the Fourth Proportional to 55,061.28, 75,984.56 and 29,910.76

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Solution

The fourth proportional to 55,061.28, 75,984.56 and 29,910.76 is: 41,276.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,061.28 : 75,984.56 = 29,910.76 : x
  2. Step 2: Convert to fraction form
    55,061.28/75,984.56 = 29,910.76/x
  3. Step 3: Cross multiply
    55,061.28x = 75,984.56 × 29,910.76
  4. Step 4: Simplify right side
    55,061.28x = 2,272,755,937.87
  5. Step 5: Solve for x
    x = 2,272,755,937.87/55,061.28
  6. Step 6: Final answer
    x = 41,276.85

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1.5x scale

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.