Home / 31,264.38-43,132.50-19,306.76

Finding the Fourth Proportional to 31,264.38, 43,132.50 and 19,306.76

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Solution

The fourth proportional to 31,264.38, 43,132.50 and 19,306.76 is: 26,635.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,264.38 : 43,132.50 = 19,306.76 : x
  2. Step 2: Convert to fraction form
    31,264.38/43,132.50 = 19,306.76/x
  3. Step 3: Cross multiply
    31,264.38x = 43,132.50 × 19,306.76
  4. Step 4: Simplify right side
    31,264.38x = 832,748,610.04
  5. Step 5: Solve for x
    x = 832,748,610.04/31,264.38
  6. Step 6: Final answer
    x = 26,635.70

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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.