Home / 39,179.97-54,105.26-27,275.86

Finding the Fourth Proportional to 39,179.97, 54,105.26 and 27,275.86

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Solution

The fourth proportional to 39,179.97, 54,105.26 and 27,275.86 is: 37,666.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,179.97 : 54,105.26 = 27,275.86 : x
  2. Step 2: Convert to fraction form
    39,179.97/54,105.26 = 27,275.86/x
  3. Step 3: Cross multiply
    39,179.97x = 54,105.26 × 27,275.86
  4. Step 4: Simplify right side
    39,179.97x = 1,475,767,497.02
  5. Step 5: Solve for x
    x = 1,475,767,497.02/39,179.97
  6. Step 6: Final answer
    x = 37,666.38

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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.