Home / 33,480.83-50,221.20-13,745.49

Finding the Fourth Proportional to 33,480.83, 50,221.20 and 13,745.49

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Solution

The fourth proportional to 33,480.83, 50,221.20 and 13,745.49 is: 20,618.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,480.83 : 50,221.20 = 13,745.49 : x
  2. Step 2: Convert to fraction form
    33,480.83/50,221.20 = 13,745.49/x
  3. Step 3: Cross multiply
    33,480.83x = 50,221.20 × 13,745.49
  4. Step 4: Simplify right side
    33,480.83x = 690,315,002.39
  5. Step 5: Solve for x
    x = 690,315,002.39/33,480.83
  6. Step 6: Final answer
    x = 20,618.22

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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.