Home / 45,419.38-68,135.49-15,832.90

Finding the Fourth Proportional to 45,419.38, 68,135.49 and 15,832.90

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Solution

The fourth proportional to 45,419.38, 68,135.49 and 15,832.90 is: 23,751.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,419.38 : 68,135.49 = 15,832.90 : x
  2. Step 2: Convert to fraction form
    45,419.38/68,135.49 = 15,832.90/x
  3. Step 3: Cross multiply
    45,419.38x = 68,135.49 × 15,832.90
  4. Step 4: Simplify right side
    45,419.38x = 1,078,782,399.62
  5. Step 5: Solve for x
    x = 1,078,782,399.62/45,419.38
  6. Step 6: Final answer
    x = 23,751.59

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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.