Home / 33,149.68-45,752.24-21,212.44

Finding the Fourth Proportional to 33,149.68, 45,752.24 and 21,212.44

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Solution

The fourth proportional to 33,149.68, 45,752.24 and 21,212.44 is: 29,276.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,149.68 : 45,752.24 = 21,212.44 : x
  2. Step 2: Convert to fraction form
    33,149.68/45,752.24 = 21,212.44/x
  3. Step 3: Cross multiply
    33,149.68x = 45,752.24 × 21,212.44
  4. Step 4: Simplify right side
    33,149.68x = 970,516,645.87
  5. Step 5: Solve for x
    x = 970,516,645.87/33,149.68
  6. Step 6: Final answer
    x = 29,276.80

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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.