Home / 39,351.94-54,305.92-21,446.88

Finding the Fourth Proportional to 39,351.94, 54,305.92 and 21,446.88

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Solution

The fourth proportional to 39,351.94, 54,305.92 and 21,446.88 is: 29,596.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,351.94 : 54,305.92 = 21,446.88 : x
  2. Step 2: Convert to fraction form
    39,351.94/54,305.92 = 21,446.88/x
  3. Step 3: Cross multiply
    39,351.94x = 54,305.92 × 21,446.88
  4. Step 4: Simplify right side
    39,351.94x = 1,164,692,549.53
  5. Step 5: Solve for x
    x = 1,164,692,549.53/39,351.94
  6. Step 6: Final answer
    x = 29,596.83

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1.5x scale

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.