Home / 45,375.44-68,086.28-20,410.52

Finding the Fourth Proportional to 45,375.44, 68,086.28 and 20,410.52

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Solution

The fourth proportional to 45,375.44, 68,086.28 and 20,410.52 is: 30,626.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,375.44 : 68,086.28 = 20,410.52 : x
  2. Step 2: Convert to fraction form
    45,375.44/68,086.28 = 20,410.52/x
  3. Step 3: Cross multiply
    45,375.44x = 68,086.28 × 20,410.52
  4. Step 4: Simplify right side
    45,375.44x = 1,389,676,379.67
  5. Step 5: Solve for x
    x = 1,389,676,379.67/45,375.44
  6. Step 6: Final answer
    x = 30,626.18

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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.