Home / 24,108.80-36,163.20-20,220.80

Finding the Fourth Proportional to 24,108.80, 36,163.20 and 20,220.80

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Solution

The fourth proportional to 24,108.80, 36,163.20 and 20,220.80 is: 30,331.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,108.80 : 36,163.20 = 20,220.80 : x
  2. Step 2: Convert to fraction form
    24,108.80/36,163.20 = 20,220.80/x
  3. Step 3: Cross multiply
    24,108.80x = 36,163.20 × 20,220.80
  4. Step 4: Simplify right side
    24,108.80x = 731,248,834.56
  5. Step 5: Solve for x
    x = 731,248,834.56/24,108.80
  6. Step 6: Final answer
    x = 30,331.20

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Double scale
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Similar ratio
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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.