Home / 54,187.24-81,273.18-18,648.04

Finding the Fourth Proportional to 54,187.24, 81,273.18 and 18,648.04

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Solution

The fourth proportional to 54,187.24, 81,273.18 and 18,648.04 is: 27,969.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,187.24 : 81,273.18 = 18,648.04 : x
  2. Step 2: Convert to fraction form
    54,187.24/81,273.18 = 18,648.04/x
  3. Step 3: Cross multiply
    54,187.24x = 81,273.18 × 18,648.04
  4. Step 4: Simplify right side
    54,187.24x = 1,515,585,511.57
  5. Step 5: Solve for x
    x = 1,515,585,511.57/54,187.24
  6. Step 6: Final answer
    x = 27,969.42

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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.