Home / 36,131.12-54,183.20-12,432.03

Finding the Fourth Proportional to 36,131.12, 54,183.20 and 12,432.03

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Solution

The fourth proportional to 36,131.12, 54,183.20 and 12,432.03 is: 18,643.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,131.12 : 54,183.20 = 12,432.03 : x
  2. Step 2: Convert to fraction form
    36,131.12/54,183.20 = 12,432.03/x
  3. Step 3: Cross multiply
    36,131.12x = 54,183.20 × 12,432.03
  4. Step 4: Simplify right side
    36,131.12x = 673,607,105.74
  5. Step 5: Solve for x
    x = 673,607,105.74/36,131.12
  6. Step 6: Final answer
    x = 18,643.41

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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.