Home / 55,217.44-82,839.40-17,781.04

Finding the Fourth Proportional to 55,217.44, 82,839.40 and 17,781.04

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Solution

The fourth proportional to 55,217.44, 82,839.40 and 17,781.04 is: 26,675.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,217.44 : 82,839.40 = 17,781.04 : x
  2. Step 2: Convert to fraction form
    55,217.44/82,839.40 = 17,781.04/x
  3. Step 3: Cross multiply
    55,217.44x = 82,839.40 × 17,781.04
  4. Step 4: Simplify right side
    55,217.44x = 1,472,970,684.98
  5. Step 5: Solve for x
    x = 1,472,970,684.98/55,217.44
  6. Step 6: Final answer
    x = 26,675.82

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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.