Home / 38,498.28-57,773.40-13,538.48

Finding the Fourth Proportional to 38,498.28, 57,773.40 and 13,538.48

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Solution

The fourth proportional to 38,498.28, 57,773.40 and 13,538.48 is: 20,316.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,498.28 : 57,773.40 = 13,538.48 : x
  2. Step 2: Convert to fraction form
    38,498.28/57,773.40 = 13,538.48/x
  3. Step 3: Cross multiply
    38,498.28x = 57,773.40 × 13,538.48
  4. Step 4: Simplify right side
    38,498.28x = 782,163,731.57
  5. Step 5: Solve for x
    x = 782,163,731.57/38,498.28
  6. Step 6: Final answer
    x = 20,316.85

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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.