Home / 54,175.30-81,242.74-18,626.56

Finding the Fourth Proportional to 54,175.30, 81,242.74 and 18,626.56

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Solution

The fourth proportional to 54,175.30, 81,242.74 and 18,626.56 is: 27,932.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,175.30 : 81,242.74 = 18,626.56 : x
  2. Step 2: Convert to fraction form
    54,175.30/81,242.74 = 18,626.56/x
  3. Step 3: Cross multiply
    54,175.30x = 81,242.74 × 18,626.56
  4. Step 4: Simplify right side
    54,175.30x = 1,513,272,771.17
  5. Step 5: Solve for x
    x = 1,513,272,771.17/54,175.30
  6. Step 6: Final answer
    x = 27,932.89

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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.