Home / 41,780.78-57,657.72-23,876.43

Finding the Fourth Proportional to 41,780.78, 57,657.72 and 23,876.43

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Solution

The fourth proportional to 41,780.78, 57,657.72 and 23,876.43 is: 32,949.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,780.78 : 57,657.72 = 23,876.43 : x
  2. Step 2: Convert to fraction form
    41,780.78/57,657.72 = 23,876.43/x
  3. Step 3: Cross multiply
    41,780.78x = 57,657.72 × 23,876.43
  4. Step 4: Simplify right side
    41,780.78x = 1,376,660,515.54
  5. Step 5: Solve for x
    x = 1,376,660,515.54/41,780.78
  6. Step 6: Final answer
    x = 32,949.62

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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.