Home / 54,519.88-81,791.36-17,581

Finding the Fourth Proportional to 54,519.88, 81,791.36 and 17,581

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Solution

The fourth proportional to 54,519.88, 81,791.36 and 17,581 is: 26,375.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,519.88 : 81,791.36 = 17,581 : x
  2. Step 2: Convert to fraction form
    54,519.88/81,791.36 = 17,581/x
  3. Step 3: Cross multiply
    54,519.88x = 81,791.36 × 17,581
  4. Step 4: Simplify right side
    54,519.88x = 1,437,973,900.16
  5. Step 5: Solve for x
    x = 1,437,973,900.16/54,519.88
  6. Step 6: Final answer
    x = 26,375.22

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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.