Home / 38,525.12-57,789.68-12,231.92

Finding the Fourth Proportional to 38,525.12, 57,789.68 and 12,231.92

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Solution

The fourth proportional to 38,525.12, 57,789.68 and 12,231.92 is: 18,348.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,525.12 : 57,789.68 = 12,231.92 : x
  2. Step 2: Convert to fraction form
    38,525.12/57,789.68 = 12,231.92/x
  3. Step 3: Cross multiply
    38,525.12x = 57,789.68 × 12,231.92
  4. Step 4: Simplify right side
    38,525.12x = 706,878,742.59
  5. Step 5: Solve for x
    x = 706,878,742.59/38,525.12
  6. Step 6: Final answer
    x = 18,348.52

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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.