Home / 38,228.40-57,375.41-18,519.89

Finding the Fourth Proportional to 38,228.40, 57,375.41 and 18,519.89

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Solution

The fourth proportional to 38,228.40, 57,375.41 and 18,519.89 is: 27,795.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,228.40 : 57,375.41 = 18,519.89 : x
  2. Step 2: Convert to fraction form
    38,228.40/57,375.41 = 18,519.89/x
  3. Step 3: Cross multiply
    38,228.40x = 57,375.41 × 18,519.89
  4. Step 4: Simplify right side
    38,228.40x = 1,062,585,902.43
  5. Step 5: Solve for x
    x = 1,062,585,902.43/38,228.40
  6. Step 6: Final answer
    x = 27,795.72

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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.