Home / 54,207.70-81,311.10-14,764.75

Finding the Fourth Proportional to 54,207.70, 81,311.10 and 14,764.75

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Solution

The fourth proportional to 54,207.70, 81,311.10 and 14,764.75 is: 22,147.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,207.70 : 81,311.10 = 14,764.75 : x
  2. Step 2: Convert to fraction form
    54,207.70/81,311.10 = 14,764.75/x
  3. Step 3: Cross multiply
    54,207.70x = 81,311.10 × 14,764.75
  4. Step 4: Simplify right side
    54,207.70x = 1,200,538,063.73
  5. Step 5: Solve for x
    x = 1,200,538,063.73/54,207.70
  6. Step 6: Final answer
    x = 22,147.00

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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.