Home / 33,297.60-49,921.44-20,147.28

Finding the Fourth Proportional to 33,297.60, 49,921.44 and 20,147.28

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Solution

The fourth proportional to 33,297.60, 49,921.44 and 20,147.28 is: 30,205.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,297.60 : 49,921.44 = 20,147.28 : x
  2. Step 2: Convert to fraction form
    33,297.60/49,921.44 = 20,147.28/x
  3. Step 3: Cross multiply
    33,297.60x = 49,921.44 × 20,147.28
  4. Step 4: Simplify right side
    33,297.60x = 1,005,781,229.68
  5. Step 5: Solve for x
    x = 1,005,781,229.68/33,297.60
  6. Step 6: Final answer
    x = 30,205.82

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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.