Home / 38,839.36-58,244.20-13,874.72

Finding the Fourth Proportional to 38,839.36, 58,244.20 and 13,874.72

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Solution

The fourth proportional to 38,839.36, 58,244.20 and 13,874.72 is: 20,806.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,839.36 : 58,244.20 = 13,874.72 : x
  2. Step 2: Convert to fraction form
    38,839.36/58,244.20 = 13,874.72/x
  3. Step 3: Cross multiply
    38,839.36x = 58,244.20 × 13,874.72
  4. Step 4: Simplify right side
    38,839.36x = 808,121,966.62
  5. Step 5: Solve for x
    x = 808,121,966.62/38,839.36
  6. Step 6: Final answer
    x = 20,806.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.