Home / 55,186.97-82,781.25-15,744.09

Finding the Fourth Proportional to 55,186.97, 82,781.25 and 15,744.09

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Solution

The fourth proportional to 55,186.97, 82,781.25 and 15,744.09 is: 23,616.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,186.97 : 82,781.25 = 15,744.09 : x
  2. Step 2: Convert to fraction form
    55,186.97/82,781.25 = 15,744.09/x
  3. Step 3: Cross multiply
    55,186.97x = 82,781.25 × 15,744.09
  4. Step 4: Simplify right side
    55,186.97x = 1,303,315,450.31
  5. Step 5: Solve for x
    x = 1,303,315,450.31/55,186.97
  6. Step 6: Final answer
    x = 23,616.36

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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.