Home / 54,234.10-81,343.65-16,819.90

Finding the Fourth Proportional to 54,234.10, 81,343.65 and 16,819.90

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Solution

The fourth proportional to 54,234.10, 81,343.65 and 16,819.90 is: 25,227.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,234.10 : 81,343.65 = 16,819.90 : x
  2. Step 2: Convert to fraction form
    54,234.10/81,343.65 = 16,819.90/x
  3. Step 3: Cross multiply
    54,234.10x = 81,343.65 × 16,819.90
  4. Step 4: Simplify right side
    54,234.10x = 1,368,192,058.64
  5. Step 5: Solve for x
    x = 1,368,192,058.64/54,234.10
  6. Step 6: Final answer
    x = 25,227.52

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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.