Home / 38,447.28-57,691.56-30,102.96

Finding the Fourth Proportional to 38,447.28, 57,691.56 and 30,102.96

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Solution

The fourth proportional to 38,447.28, 57,691.56 and 30,102.96 is: 45,170.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,447.28 : 57,691.56 = 30,102.96 : x
  2. Step 2: Convert to fraction form
    38,447.28/57,691.56 = 30,102.96/x
  3. Step 3: Cross multiply
    38,447.28x = 57,691.56 × 30,102.96
  4. Step 4: Simplify right side
    38,447.28x = 1,736,686,723.02
  5. Step 5: Solve for x
    x = 1,736,686,723.02/38,447.28
  6. Step 6: Final answer
    x = 45,170.60

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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.