Home / 47,701.20-71,535.06-13,957.90

Finding the Fourth Proportional to 47,701.20, 71,535.06 and 13,957.90

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Solution

The fourth proportional to 47,701.20, 71,535.06 and 13,957.90 is: 20,931.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,701.20 : 71,535.06 = 13,957.90 : x
  2. Step 2: Convert to fraction form
    47,701.20/71,535.06 = 13,957.90/x
  3. Step 3: Cross multiply
    47,701.20x = 71,535.06 × 13,957.90
  4. Step 4: Simplify right side
    47,701.20x = 998,479,306.26
  5. Step 5: Solve for x
    x = 998,479,306.26/47,701.20
  6. Step 6: Final answer
    x = 20,931.95

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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.