Home / 38,231.70-57,348.51-18,506.58

Finding the Fourth Proportional to 38,231.70, 57,348.51 and 18,506.58

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Solution

The fourth proportional to 38,231.70, 57,348.51 and 18,506.58 is: 27,760.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,231.70 : 57,348.51 = 18,506.58 : x
  2. Step 2: Convert to fraction form
    38,231.70/57,348.51 = 18,506.58/x
  3. Step 3: Cross multiply
    38,231.70x = 57,348.51 × 18,506.58
  4. Step 4: Simplify right side
    38,231.70x = 1,061,324,788.20
  5. Step 5: Solve for x
    x = 1,061,324,788.20/38,231.70
  6. Step 6: Final answer
    x = 27,760.33

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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.