Home / 40,167.20-60,013.18-38,789.12

Finding the Fourth Proportional to 40,167.20, 60,013.18 and 38,789.12

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Solution

The fourth proportional to 40,167.20, 60,013.18 and 38,789.12 is: 57,954.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,167.20 : 60,013.18 = 38,789.12 : x
  2. Step 2: Convert to fraction form
    40,167.20/60,013.18 = 38,789.12/x
  3. Step 3: Cross multiply
    40,167.20x = 60,013.18 × 38,789.12
  4. Step 4: Simplify right side
    40,167.20x = 2,327,858,440.60
  5. Step 5: Solve for x
    x = 2,327,858,440.60/40,167.20
  6. Step 6: Final answer
    x = 57,954.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.