Home / 38,479.03-57,717.91-12,183.73

Finding the Fourth Proportional to 38,479.03, 57,717.91 and 12,183.73

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Solution

The fourth proportional to 38,479.03, 57,717.91 and 12,183.73 is: 18,275.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,479.03 : 57,717.91 = 12,183.73 : x
  2. Step 2: Convert to fraction form
    38,479.03/57,717.91 = 12,183.73/x
  3. Step 3: Cross multiply
    38,479.03x = 57,717.91 × 12,183.73
  4. Step 4: Simplify right side
    38,479.03x = 703,219,431.60
  5. Step 5: Solve for x
    x = 703,219,431.60/38,479.03
  6. Step 6: Final answer
    x = 18,275.39

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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.