Home / 33,480.92-50,220.57-8,520.99

Finding the Fourth Proportional to 33,480.92, 50,220.57 and 8,520.99

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Solution

The fourth proportional to 33,480.92, 50,220.57 and 8,520.99 is: 12,781.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,480.92 : 50,220.57 = 8,520.99 : x
  2. Step 2: Convert to fraction form
    33,480.92/50,220.57 = 8,520.99/x
  3. Step 3: Cross multiply
    33,480.92x = 50,220.57 × 8,520.99
  4. Step 4: Simplify right side
    33,480.92x = 427,928,974.76
  5. Step 5: Solve for x
    x = 427,928,974.76/33,480.92
  6. Step 6: Final answer
    x = 12,781.28

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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.