Home / 45,356.20-68,034.44-13,766.52

Finding the Fourth Proportional to 45,356.20, 68,034.44 and 13,766.52

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Solution

The fourth proportional to 45,356.20, 68,034.44 and 13,766.52 is: 20,649.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,356.20 : 68,034.44 = 13,766.52 : x
  2. Step 2: Convert to fraction form
    45,356.20/68,034.44 = 13,766.52/x
  3. Step 3: Cross multiply
    45,356.20x = 68,034.44 × 13,766.52
  4. Step 4: Simplify right side
    45,356.20x = 936,597,478.95
  5. Step 5: Solve for x
    x = 936,597,478.95/45,356.20
  6. Step 6: Final answer
    x = 20,649.82

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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.