Home / 33,613.10-50,456.10-21,147.20

Finding the Fourth Proportional to 33,613.10, 50,456.10 and 21,147.20

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Solution

The fourth proportional to 33,613.10, 50,456.10 and 21,147.20 is: 31,743.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,613.10 : 50,456.10 = 21,147.20 : x
  2. Step 2: Convert to fraction form
    33,613.10/50,456.10 = 21,147.20/x
  3. Step 3: Cross multiply
    33,613.10x = 50,456.10 × 21,147.20
  4. Step 4: Simplify right side
    33,613.10x = 1,067,005,237.92
  5. Step 5: Solve for x
    x = 1,067,005,237.92/33,613.10
  6. Step 6: Final answer
    x = 31,743.73

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1.5x scale

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.