Home / 54,109.03-81,171.62-16,665.97

Finding the Fourth Proportional to 54,109.03, 81,171.62 and 16,665.97

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Solution

The fourth proportional to 54,109.03, 81,171.62 and 16,665.97 is: 25,001.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,109.03 : 81,171.62 = 16,665.97 : x
  2. Step 2: Convert to fraction form
    54,109.03/81,171.62 = 16,665.97/x
  3. Step 3: Cross multiply
    54,109.03x = 81,171.62 × 16,665.97
  4. Step 4: Simplify right side
    54,109.03x = 1,352,803,317.03
  5. Step 5: Solve for x
    x = 1,352,803,317.03/54,109.03
  6. Step 6: Final answer
    x = 25,001.43

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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.