Home / 54,540.85-81,791.01-18,993.04

Finding the Fourth Proportional to 54,540.85, 81,791.01 and 18,993.04

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Solution

The fourth proportional to 54,540.85, 81,791.01 and 18,993.04 is: 28,482.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,540.85 : 81,791.01 = 18,993.04 : x
  2. Step 2: Convert to fraction form
    54,540.85/81,791.01 = 18,993.04/x
  3. Step 3: Cross multiply
    54,540.85x = 81,791.01 × 18,993.04
  4. Step 4: Simplify right side
    54,540.85x = 1,553,459,924.57
  5. Step 5: Solve for x
    x = 1,553,459,924.57/54,540.85
  6. Step 6: Final answer
    x = 28,482.51

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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.