Home / 57,225.52-78,972.17-31,732.97

Finding the Fourth Proportional to 57,225.52, 78,972.17 and 31,732.97

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Solution

The fourth proportional to 57,225.52, 78,972.17 and 31,732.97 is: 43,792.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,225.52 : 78,972.17 = 31,732.97 : x
  2. Step 2: Convert to fraction form
    57,225.52/78,972.17 = 31,732.97/x
  3. Step 3: Cross multiply
    57,225.52x = 78,972.17 × 31,732.97
  4. Step 4: Simplify right side
    57,225.52x = 2,506,020,947.92
  5. Step 5: Solve for x
    x = 2,506,020,947.92/57,225.52
  6. Step 6: Final answer
    x = 43,792.02

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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.