Home / 41,912.13-57,838.86-22,791.90

Finding the Fourth Proportional to 41,912.13, 57,838.86 and 22,791.90

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Solution

The fourth proportional to 41,912.13, 57,838.86 and 22,791.90 is: 31,452.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,912.13 : 57,838.86 = 22,791.90 : x
  2. Step 2: Convert to fraction form
    41,912.13/57,838.86 = 22,791.90/x
  3. Step 3: Cross multiply
    41,912.13x = 57,838.86 × 22,791.90
  4. Step 4: Simplify right side
    41,912.13x = 1,318,257,513.23
  5. Step 5: Solve for x
    x = 1,318,257,513.23/41,912.13
  6. Step 6: Final answer
    x = 31,452.89

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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.