Home / 52,747.60-72,760.80-31,229.92

Finding the Fourth Proportional to 52,747.60, 72,760.80 and 31,229.92

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Solution

The fourth proportional to 52,747.60, 72,760.80 and 31,229.92 is: 43,079.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,747.60 : 72,760.80 = 31,229.92 : x
  2. Step 2: Convert to fraction form
    52,747.60/72,760.80 = 31,229.92/x
  3. Step 3: Cross multiply
    52,747.60x = 72,760.80 × 31,229.92
  4. Step 4: Simplify right side
    52,747.60x = 2,272,313,963.14
  5. Step 5: Solve for x
    x = 2,272,313,963.14/52,747.60
  6. Step 6: Final answer
    x = 43,079.00

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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.