Home / 36,131.30-54,183.48-12,432.23

Finding the Fourth Proportional to 36,131.30, 54,183.48 and 12,432.23

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Solution

The fourth proportional to 36,131.30, 54,183.48 and 12,432.23 is: 18,643.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,131.30 : 54,183.48 = 12,432.23 : x
  2. Step 2: Convert to fraction form
    36,131.30/54,183.48 = 12,432.23/x
  3. Step 3: Cross multiply
    36,131.30x = 54,183.48 × 12,432.23
  4. Step 4: Simplify right side
    36,131.30x = 673,621,485.56
  5. Step 5: Solve for x
    x = 673,621,485.56/36,131.30
  6. Step 6: Final answer
    x = 18,643.71

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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.