Home / 41,781.01-57,661.43-22,921.78

Finding the Fourth Proportional to 41,781.01, 57,661.43 and 22,921.78

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Solution

The fourth proportional to 41,781.01, 57,661.43 and 22,921.78 is: 31,634.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,781.01 : 57,661.43 = 22,921.78 : x
  2. Step 2: Convert to fraction form
    41,781.01/57,661.43 = 22,921.78/x
  3. Step 3: Cross multiply
    41,781.01x = 57,661.43 × 22,921.78
  4. Step 4: Simplify right side
    41,781.01x = 1,321,702,526.10
  5. Step 5: Solve for x
    x = 1,321,702,526.10/41,781.01
  6. Step 6: Final answer
    x = 31,634.05

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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.