Home / 38,198.60-57,312.30-18,494.60

Finding the Fourth Proportional to 38,198.60, 57,312.30 and 18,494.60

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Solution

The fourth proportional to 38,198.60, 57,312.30 and 18,494.60 is: 27,748.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,198.60 : 57,312.30 = 18,494.60 : x
  2. Step 2: Convert to fraction form
    38,198.60/57,312.30 = 18,494.60/x
  3. Step 3: Cross multiply
    38,198.60x = 57,312.30 × 18,494.60
  4. Step 4: Simplify right side
    38,198.60x = 1,059,968,063.58
  5. Step 5: Solve for x
    x = 1,059,968,063.58/38,198.60
  6. Step 6: Final answer
    x = 27,748.87

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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.