Home / 40,201.89-55,732.71-38,068.97

Finding the Fourth Proportional to 40,201.89, 55,732.71 and 38,068.97

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Solution

The fourth proportional to 40,201.89, 55,732.71 and 38,068.97 is: 52,775.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,201.89 : 55,732.71 = 38,068.97 : x
  2. Step 2: Convert to fraction form
    40,201.89/55,732.71 = 38,068.97/x
  3. Step 3: Cross multiply
    40,201.89x = 55,732.71 × 38,068.97
  4. Step 4: Simplify right side
    40,201.89x = 2,121,687,042.60
  5. Step 5: Solve for x
    x = 2,121,687,042.60/40,201.89
  6. Step 6: Final answer
    x = 52,775.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.