Home / 54,764.85-82,147.28-21,500.58

Finding the Fourth Proportional to 54,764.85, 82,147.28 and 21,500.58

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Solution

The fourth proportional to 54,764.85, 82,147.28 and 21,500.58 is: 32,250.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,764.85 : 82,147.28 = 21,500.58 : x
  2. Step 2: Convert to fraction form
    54,764.85/82,147.28 = 21,500.58/x
  3. Step 3: Cross multiply
    54,764.85x = 82,147.28 × 21,500.58
  4. Step 4: Simplify right side
    54,764.85x = 1,766,214,165.42
  5. Step 5: Solve for x
    x = 1,766,214,165.42/54,764.85
  6. Step 6: Final answer
    x = 32,250.87

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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.