Home / 51,500.70-77,110.56-38,982.78

Finding the Fourth Proportional to 51,500.70, 77,110.56 and 38,982.78

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Solution

The fourth proportional to 51,500.70, 77,110.56 and 38,982.78 is: 58,367.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,500.70 : 77,110.56 = 38,982.78 : x
  2. Step 2: Convert to fraction form
    51,500.70/77,110.56 = 38,982.78/x
  3. Step 3: Cross multiply
    51,500.70x = 77,110.56 × 38,982.78
  4. Step 4: Simplify right side
    51,500.70x = 3,005,983,996.16
  5. Step 5: Solve for x
    x = 3,005,983,996.16/51,500.70
  6. Step 6: Final answer
    x = 58,367.83

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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.