Home / 38,280.38-57,337.44-18,517.49

Finding the Fourth Proportional to 38,280.38, 57,337.44 and 18,517.49

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Solution

The fourth proportional to 38,280.38, 57,337.44 and 18,517.49 is: 27,736.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,280.38 : 57,337.44 = 18,517.49 : x
  2. Step 2: Convert to fraction form
    38,280.38/57,337.44 = 18,517.49/x
  3. Step 3: Cross multiply
    38,280.38x = 57,337.44 × 18,517.49
  4. Step 4: Simplify right side
    38,280.38x = 1,061,745,185.14
  5. Step 5: Solve for x
    x = 1,061,745,185.14/38,280.38
  6. Step 6: Final answer
    x = 27,736.02

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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.