Home / 36,145.62-54,205.02-12,446.55

Finding the Fourth Proportional to 36,145.62, 54,205.02 and 12,446.55

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Solution

The fourth proportional to 36,145.62, 54,205.02 and 12,446.55 is: 18,665.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,145.62 : 54,205.02 = 12,446.55 : x
  2. Step 2: Convert to fraction form
    36,145.62/54,205.02 = 12,446.55/x
  3. Step 3: Cross multiply
    36,145.62x = 54,205.02 × 12,446.55
  4. Step 4: Simplify right side
    36,145.62x = 674,665,491.68
  5. Step 5: Solve for x
    x = 674,665,491.68/36,145.62
  6. Step 6: Final answer
    x = 18,665.21

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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.