Home / 33,150.68-45,753.62-21,213.44

Finding the Fourth Proportional to 33,150.68, 45,753.62 and 21,213.44

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Solution

The fourth proportional to 33,150.68, 45,753.62 and 21,213.44 is: 29,278.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,150.68 : 45,753.62 = 21,213.44 : x
  2. Step 2: Convert to fraction form
    33,150.68/45,753.62 = 21,213.44/x
  3. Step 3: Cross multiply
    33,150.68x = 45,753.62 × 21,213.44
  4. Step 4: Simplify right side
    33,150.68x = 970,591,672.65
  5. Step 5: Solve for x
    x = 970,591,672.65/33,150.68
  6. Step 6: Final answer
    x = 29,278.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.