Home / 54,229.38-81,346.96-16,815.30

Finding the Fourth Proportional to 54,229.38, 81,346.96 and 16,815.30

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Solution

The fourth proportional to 54,229.38, 81,346.96 and 16,815.30 is: 25,223.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,229.38 : 81,346.96 = 16,815.30 : x
  2. Step 2: Convert to fraction form
    54,229.38/81,346.96 = 16,815.30/x
  3. Step 3: Cross multiply
    54,229.38x = 81,346.96 × 16,815.30
  4. Step 4: Simplify right side
    54,229.38x = 1,367,873,536.49
  5. Step 5: Solve for x
    x = 1,367,873,536.49/54,229.38
  6. Step 6: Final answer
    x = 25,223.85

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1.5x scale

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.