Home / 36,144.11-54,205.76-12,450.70

Finding the Fourth Proportional to 36,144.11, 54,205.76 and 12,450.70

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Solution

The fourth proportional to 36,144.11, 54,205.76 and 12,450.70 is: 18,672.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,144.11 : 54,205.76 = 12,450.70 : x
  2. Step 2: Convert to fraction form
    36,144.11/54,205.76 = 12,450.70/x
  3. Step 3: Cross multiply
    36,144.11x = 54,205.76 × 12,450.70
  4. Step 4: Simplify right side
    36,144.11x = 674,899,656.03
  5. Step 5: Solve for x
    x = 674,899,656.03/36,144.11
  6. Step 6: Final answer
    x = 18,672.47

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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.