Home / 38,475.70-57,713.55-31,909.30

Finding the Fourth Proportional to 38,475.70, 57,713.55 and 31,909.30

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Solution

The fourth proportional to 38,475.70, 57,713.55 and 31,909.30 is: 47,863.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,475.70 : 57,713.55 = 31,909.30 : x
  2. Step 2: Convert to fraction form
    38,475.70/57,713.55 = 31,909.30/x
  3. Step 3: Cross multiply
    38,475.70x = 57,713.55 × 31,909.30
  4. Step 4: Simplify right side
    38,475.70x = 1,841,598,981.02
  5. Step 5: Solve for x
    x = 1,841,598,981.02/38,475.70
  6. Step 6: Final answer
    x = 47,863.95

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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.