Home / 54,202.87-81,284.10-18,654.25

Finding the Fourth Proportional to 54,202.87, 81,284.10 and 18,654.25

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Solution

The fourth proportional to 54,202.87, 81,284.10 and 18,654.25 is: 27,974.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,202.87 : 81,284.10 = 18,654.25 : x
  2. Step 2: Convert to fraction form
    54,202.87/81,284.10 = 18,654.25/x
  3. Step 3: Cross multiply
    54,202.87x = 81,284.10 × 18,654.25
  4. Step 4: Simplify right side
    54,202.87x = 1,516,293,922.43
  5. Step 5: Solve for x
    x = 1,516,293,922.43/54,202.87
  6. Step 6: Final answer
    x = 27,974.42

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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.