Home / 36,172.30-54,266.55-13,983.70

Finding the Fourth Proportional to 36,172.30, 54,266.55 and 13,983.70

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Solution

The fourth proportional to 36,172.30, 54,266.55 and 13,983.70 is: 20,978.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,172.30 : 54,266.55 = 13,983.70 : x
  2. Step 2: Convert to fraction form
    36,172.30/54,266.55 = 13,983.70/x
  3. Step 3: Cross multiply
    36,172.30x = 54,266.55 × 13,983.70
  4. Step 4: Simplify right side
    36,172.30x = 758,847,155.24
  5. Step 5: Solve for x
    x = 758,847,155.24/36,172.30
  6. Step 6: Final answer
    x = 20,978.68

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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.