Home / 36,229.35-54,360.23-12,872.55

Finding the Fourth Proportional to 36,229.35, 54,360.23 and 12,872.55

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Solution

The fourth proportional to 36,229.35, 54,360.23 and 12,872.55 is: 19,314.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,229.35 : 54,360.23 = 12,872.55 : x
  2. Step 2: Convert to fraction form
    36,229.35/54,360.23 = 12,872.55/x
  3. Step 3: Cross multiply
    36,229.35x = 54,360.23 × 12,872.55
  4. Step 4: Simplify right side
    36,229.35x = 699,754,714.32
  5. Step 5: Solve for x
    x = 699,754,714.32/36,229.35
  6. Step 6: Final answer
    x = 19,314.58

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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.