Home / 38,248.28-57,337.86-13,618.52

Finding the Fourth Proportional to 38,248.28, 57,337.86 and 13,618.52

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Solution

The fourth proportional to 38,248.28, 57,337.86 and 13,618.52 is: 20,415.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,248.28 : 57,337.86 = 13,618.52 : x
  2. Step 2: Convert to fraction form
    38,248.28/57,337.86 = 13,618.52/x
  3. Step 3: Cross multiply
    38,248.28x = 57,337.86 × 13,618.52
  4. Step 4: Simplify right side
    38,248.28x = 780,856,793.17
  5. Step 5: Solve for x
    x = 780,856,793.17/38,248.28
  6. Step 6: Final answer
    x = 20,415.47

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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.