Home / 45,346.82-68,020.38-13,757.15

Finding the Fourth Proportional to 45,346.82, 68,020.38 and 13,757.15

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Solution

The fourth proportional to 45,346.82, 68,020.38 and 13,757.15 is: 20,635.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,346.82 : 68,020.38 = 13,757.15 : x
  2. Step 2: Convert to fraction form
    45,346.82/68,020.38 = 13,757.15/x
  3. Step 3: Cross multiply
    45,346.82x = 68,020.38 × 13,757.15
  4. Step 4: Simplify right side
    45,346.82x = 935,766,230.62
  5. Step 5: Solve for x
    x = 935,766,230.62/45,346.82
  6. Step 6: Final answer
    x = 20,635.77

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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.