Home / 39,306.08-54,241.44-22,538

Finding the Fourth Proportional to 39,306.08, 54,241.44 and 22,538

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Solution

The fourth proportional to 39,306.08, 54,241.44 and 22,538 is: 31,101.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,306.08 : 54,241.44 = 22,538 : x
  2. Step 2: Convert to fraction form
    39,306.08/54,241.44 = 22,538/x
  3. Step 3: Cross multiply
    39,306.08x = 54,241.44 × 22,538
  4. Step 4: Simplify right side
    39,306.08x = 1,222,493,574.72
  5. Step 5: Solve for x
    x = 1,222,493,574.72/39,306.08
  6. Step 6: Final answer
    x = 31,101.90

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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.