Home / 41,691.78-57,531.60-25,776.63

Finding the Fourth Proportional to 41,691.78, 57,531.60 and 25,776.63

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Solution

The fourth proportional to 41,691.78, 57,531.60 and 25,776.63 is: 35,569.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,691.78 : 57,531.60 = 25,776.63 : x
  2. Step 2: Convert to fraction form
    41,691.78/57,531.60 = 25,776.63/x
  3. Step 3: Cross multiply
    41,691.78x = 57,531.60 × 25,776.63
  4. Step 4: Simplify right side
    41,691.78x = 1,482,970,766.51
  5. Step 5: Solve for x
    x = 1,482,970,766.51/41,691.78
  6. Step 6: Final answer
    x = 35,569.86

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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.