Home / 41,781.76-57,657.84-22,918.72

Finding the Fourth Proportional to 41,781.76, 57,657.84 and 22,918.72

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Solution

The fourth proportional to 41,781.76, 57,657.84 and 22,918.72 is: 31,627.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,781.76 : 57,657.84 = 22,918.72 : x
  2. Step 2: Convert to fraction form
    41,781.76/57,657.84 = 22,918.72/x
  3. Step 3: Cross multiply
    41,781.76x = 57,657.84 × 22,918.72
  4. Step 4: Simplify right side
    41,781.76x = 1,321,443,890.76
  5. Step 5: Solve for x
    x = 1,321,443,890.76/41,781.76
  6. Step 6: Final answer
    x = 31,627.29

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1.5x scale

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.