Home / 63,438.39-87,462-54,581.04

Finding the Fourth Proportional to 63,438.39, 87,462 and 54,581.04

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Solution

The fourth proportional to 63,438.39, 87,462 and 54,581.04 is: 75,250.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,438.39 : 87,462 = 54,581.04 : x
  2. Step 2: Convert to fraction form
    63,438.39/87,462 = 54,581.04/x
  3. Step 3: Cross multiply
    63,438.39x = 87,462 × 54,581.04
  4. Step 4: Simplify right side
    63,438.39x = 4,773,766,920.48
  5. Step 5: Solve for x
    x = 4,773,766,920.48/63,438.39
  6. Step 6: Final answer
    x = 75,250.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.