Home / 36,500.28-54,711.48-18,945.96

Finding the Fourth Proportional to 36,500.28, 54,711.48 and 18,945.96

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Solution

The fourth proportional to 36,500.28, 54,711.48 and 18,945.96 is: 28,398.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,500.28 : 54,711.48 = 18,945.96 : x
  2. Step 2: Convert to fraction form
    36,500.28/54,711.48 = 18,945.96/x
  3. Step 3: Cross multiply
    36,500.28x = 54,711.48 × 18,945.96
  4. Step 4: Simplify right side
    36,500.28x = 1,036,561,511.62
  5. Step 5: Solve for x
    x = 1,036,561,511.62/36,500.28
  6. Step 6: Final answer
    x = 28,398.73

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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.