Home / 49,142.97-67,767.44-40,161.69

Finding the Fourth Proportional to 49,142.97, 67,767.44 and 40,161.69

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Solution

The fourth proportional to 49,142.97, 67,767.44 and 40,161.69 is: 55,382.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,142.97 : 67,767.44 = 40,161.69 : x
  2. Step 2: Convert to fraction form
    49,142.97/67,767.44 = 40,161.69/x
  3. Step 3: Cross multiply
    49,142.97x = 67,767.44 × 40,161.69
  4. Step 4: Simplify right side
    49,142.97x = 2,721,654,716.57
  5. Step 5: Solve for x
    x = 2,721,654,716.57/49,142.97
  6. Step 6: Final answer
    x = 55,382.38

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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.