Home / 38,116.20-57,168.90-11,823.60

Finding the Fourth Proportional to 38,116.20, 57,168.90 and 11,823.60

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Solution

The fourth proportional to 38,116.20, 57,168.90 and 11,823.60 is: 17,733.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,116.20 : 57,168.90 = 11,823.60 : x
  2. Step 2: Convert to fraction form
    38,116.20/57,168.90 = 11,823.60/x
  3. Step 3: Cross multiply
    38,116.20x = 57,168.90 × 11,823.60
  4. Step 4: Simplify right side
    38,116.20x = 675,942,206.04
  5. Step 5: Solve for x
    x = 675,942,206.04/38,116.20
  6. Step 6: Final answer
    x = 17,733.72

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.