Home / 49,229.64-67,920-27,716.04

Finding the Fourth Proportional to 49,229.64, 67,920 and 27,716.04

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Solution

The fourth proportional to 49,229.64, 67,920 and 27,716.04 is: 38,238.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,229.64 : 67,920 = 27,716.04 : x
  2. Step 2: Convert to fraction form
    49,229.64/67,920 = 27,716.04/x
  3. Step 3: Cross multiply
    49,229.64x = 67,920 × 27,716.04
  4. Step 4: Simplify right side
    49,229.64x = 1,882,473,436.80
  5. Step 5: Solve for x
    x = 1,882,473,436.80/49,229.64
  6. Step 6: Final answer
    x = 38,238.62

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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.