Home / 36,229.40-54,344.10-9,936.80

Finding the Fourth Proportional to 36,229.40, 54,344.10 and 9,936.80

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Solution

The fourth proportional to 36,229.40, 54,344.10 and 9,936.80 is: 14,905.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,229.40 : 54,344.10 = 9,936.80 : x
  2. Step 2: Convert to fraction form
    36,229.40/54,344.10 = 9,936.80/x
  3. Step 3: Cross multiply
    36,229.40x = 54,344.10 × 9,936.80
  4. Step 4: Simplify right side
    36,229.40x = 540,006,452.88
  5. Step 5: Solve for x
    x = 540,006,452.88/36,229.40
  6. Step 6: Final answer
    x = 14,905.20

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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.