Home / 38,200.60-57,306.30-11,902.60

Finding the Fourth Proportional to 38,200.60, 57,306.30 and 11,902.60

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Solution

The fourth proportional to 38,200.60, 57,306.30 and 11,902.60 is: 17,855.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,200.60 : 57,306.30 = 11,902.60 : x
  2. Step 2: Convert to fraction form
    38,200.60/57,306.30 = 11,902.60/x
  3. Step 3: Cross multiply
    38,200.60x = 57,306.30 × 11,902.60
  4. Step 4: Simplify right side
    38,200.60x = 682,093,966.38
  5. Step 5: Solve for x
    x = 682,093,966.38/38,200.60
  6. Step 6: Final answer
    x = 17,855.58

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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.