Home / 38,110.60-57,168.06-11,819.08

Finding the Fourth Proportional to 38,110.60, 57,168.06 and 11,819.08

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Solution

The fourth proportional to 38,110.60, 57,168.06 and 11,819.08 is: 17,729.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,110.60 : 57,168.06 = 11,819.08 : x
  2. Step 2: Convert to fraction form
    38,110.60/57,168.06 = 11,819.08/x
  3. Step 3: Cross multiply
    38,110.60x = 57,168.06 × 11,819.08
  4. Step 4: Simplify right side
    38,110.60x = 675,673,874.58
  5. Step 5: Solve for x
    x = 675,673,874.58/38,110.60
  6. Step 6: Final answer
    x = 17,729.29

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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.