Home / 54,230.10-81,337.65-16,815.90

Finding the Fourth Proportional to 54,230.10, 81,337.65 and 16,815.90

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Solution

The fourth proportional to 54,230.10, 81,337.65 and 16,815.90 is: 25,221.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,230.10 : 81,337.65 = 16,815.90 : x
  2. Step 2: Convert to fraction form
    54,230.10/81,337.65 = 16,815.90/x
  3. Step 3: Cross multiply
    54,230.10x = 81,337.65 × 16,815.90
  4. Step 4: Simplify right side
    54,230.10x = 1,367,765,788.64
  5. Step 5: Solve for x
    x = 1,367,765,788.64/54,230.10
  6. Step 6: Final answer
    x = 25,221.52

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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.