Home / 39,171.91-58,757.19-12,517.70

Finding the Fourth Proportional to 39,171.91, 58,757.19 and 12,517.70

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Solution

The fourth proportional to 39,171.91, 58,757.19 and 12,517.70 is: 18,776.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,171.91 : 58,757.19 = 12,517.70 : x
  2. Step 2: Convert to fraction form
    39,171.91/58,757.19 = 12,517.70/x
  3. Step 3: Cross multiply
    39,171.91x = 58,757.19 × 12,517.70
  4. Step 4: Simplify right side
    39,171.91x = 735,504,877.26
  5. Step 5: Solve for x
    x = 735,504,877.26/39,171.91
  6. Step 6: Final answer
    x = 18,776.33

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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.