Home / 41,276.21-61,906.84-18,781.58

Finding the Fourth Proportional to 41,276.21, 61,906.84 and 18,781.58

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Solution

The fourth proportional to 41,276.21, 61,906.84 and 18,781.58 is: 28,168.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,276.21 : 61,906.84 = 18,781.58 : x
  2. Step 2: Convert to fraction form
    41,276.21/61,906.84 = 18,781.58/x
  3. Step 3: Cross multiply
    41,276.21x = 61,906.84 × 18,781.58
  4. Step 4: Simplify right side
    41,276.21x = 1,162,708,375.82
  5. Step 5: Solve for x
    x = 1,162,708,375.82/41,276.21
  6. Step 6: Final answer
    x = 28,168.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.