Home / 39,367.85-54,327.30-21,462.53

Finding the Fourth Proportional to 39,367.85, 54,327.30 and 21,462.53

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Solution

The fourth proportional to 39,367.85, 54,327.30 and 21,462.53 is: 29,618.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,367.85 : 54,327.30 = 21,462.53 : x
  2. Step 2: Convert to fraction form
    39,367.85/54,327.30 = 21,462.53/x
  3. Step 3: Cross multiply
    39,367.85x = 54,327.30 × 21,462.53
  4. Step 4: Simplify right side
    39,367.85x = 1,166,001,034.43
  5. Step 5: Solve for x
    x = 1,166,001,034.43/39,367.85
  6. Step 6: Final answer
    x = 29,618.11

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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.