Home / 38,620.60-57,930.90-17,884.60

Finding the Fourth Proportional to 38,620.60, 57,930.90 and 17,884.60

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Solution

The fourth proportional to 38,620.60, 57,930.90 and 17,884.60 is: 26,826.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,620.60 : 57,930.90 = 17,884.60 : x
  2. Step 2: Convert to fraction form
    38,620.60/57,930.90 = 17,884.60/x
  3. Step 3: Cross multiply
    38,620.60x = 57,930.90 × 17,884.60
  4. Step 4: Simplify right side
    38,620.60x = 1,036,070,974.14
  5. Step 5: Solve for x
    x = 1,036,070,974.14/38,620.60
  6. Step 6: Final answer
    x = 26,826.90

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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.