Home / 38,297.10-57,445.68-12,003.88

Finding the Fourth Proportional to 38,297.10, 57,445.68 and 12,003.88

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Solution

The fourth proportional to 38,297.10, 57,445.68 and 12,003.88 is: 18,005.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,297.10 : 57,445.68 = 12,003.88 : x
  2. Step 2: Convert to fraction form
    38,297.10/57,445.68 = 12,003.88/x
  3. Step 3: Cross multiply
    38,297.10x = 57,445.68 × 12,003.88
  4. Step 4: Simplify right side
    38,297.10x = 689,571,049.24
  5. Step 5: Solve for x
    x = 689,571,049.24/38,297.10
  6. Step 6: Final answer
    x = 18,005.83

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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.