Home / 38,961.76-58,375.68-30,694.72

Finding the Fourth Proportional to 38,961.76, 58,375.68 and 30,694.72

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Solution

The fourth proportional to 38,961.76, 58,375.68 and 30,694.72 is: 45,989.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,961.76 : 58,375.68 = 30,694.72 : x
  2. Step 2: Convert to fraction form
    38,961.76/58,375.68 = 30,694.72/x
  3. Step 3: Cross multiply
    38,961.76x = 58,375.68 × 30,694.72
  4. Step 4: Simplify right side
    38,961.76x = 1,791,825,152.41
  5. Step 5: Solve for x
    x = 1,791,825,152.41/38,961.76
  6. Step 6: Final answer
    x = 45,989.33

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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.