Home / 39,839.12-54,974.88-22,843.16

Finding the Fourth Proportional to 39,839.12, 54,974.88 and 22,843.16

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Solution

The fourth proportional to 39,839.12, 54,974.88 and 22,843.16 is: 31,521.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,839.12 : 54,974.88 = 22,843.16 : x
  2. Step 2: Convert to fraction form
    39,839.12/54,974.88 = 22,843.16/x
  3. Step 3: Cross multiply
    39,839.12x = 54,974.88 × 22,843.16
  4. Step 4: Simplify right side
    39,839.12x = 1,255,799,979.82
  5. Step 5: Solve for x
    x = 1,255,799,979.82/39,839.12
  6. Step 6: Final answer
    x = 31,521.78

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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.