Home / 38,331.54-57,504.61-13,378.71

Finding the Fourth Proportional to 38,331.54, 57,504.61 and 13,378.71

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Solution

The fourth proportional to 38,331.54, 57,504.61 and 13,378.71 is: 20,070.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,331.54 : 57,504.61 = 13,378.71 : x
  2. Step 2: Convert to fraction form
    38,331.54/57,504.61 = 13,378.71/x
  3. Step 3: Cross multiply
    38,331.54x = 57,504.61 × 13,378.71
  4. Step 4: Simplify right side
    38,331.54x = 769,337,517.58
  5. Step 5: Solve for x
    x = 769,337,517.58/38,331.54
  6. Step 6: Final answer
    x = 20,070.62

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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.