Home / 40,176.71-55,489.25-27,407.97

Finding the Fourth Proportional to 40,176.71, 55,489.25 and 27,407.97

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Solution

The fourth proportional to 40,176.71, 55,489.25 and 27,407.97 is: 37,853.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,176.71 : 55,489.25 = 27,407.97 : x
  2. Step 2: Convert to fraction form
    40,176.71/55,489.25 = 27,407.97/x
  3. Step 3: Cross multiply
    40,176.71x = 55,489.25 × 27,407.97
  4. Step 4: Simplify right side
    40,176.71x = 1,520,847,767.84
  5. Step 5: Solve for x
    x = 1,520,847,767.84/40,176.71
  6. Step 6: Final answer
    x = 37,853.97

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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.