Home / 38,231.20-57,347.76-18,506.08

Finding the Fourth Proportional to 38,231.20, 57,347.76 and 18,506.08

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Solution

The fourth proportional to 38,231.20, 57,347.76 and 18,506.08 is: 27,759.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,231.20 : 57,347.76 = 18,506.08 : x
  2. Step 2: Convert to fraction form
    38,231.20/57,347.76 = 18,506.08/x
  3. Step 3: Cross multiply
    38,231.20x = 57,347.76 × 18,506.08
  4. Step 4: Simplify right side
    38,231.20x = 1,061,282,234.38
  5. Step 5: Solve for x
    x = 1,061,282,234.38/38,231.20
  6. Step 6: Final answer
    x = 27,759.58

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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.