Home / 41,990.22-62,949.60-18,603.90

Finding the Fourth Proportional to 41,990.22, 62,949.60 and 18,603.90

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Solution

The fourth proportional to 41,990.22, 62,949.60 and 18,603.90 is: 27,890.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,990.22 : 62,949.60 = 18,603.90 : x
  2. Step 2: Convert to fraction form
    41,990.22/62,949.60 = 18,603.90/x
  3. Step 3: Cross multiply
    41,990.22x = 62,949.60 × 18,603.90
  4. Step 4: Simplify right side
    41,990.22x = 1,171,108,063.44
  5. Step 5: Solve for x
    x = 1,171,108,063.44/41,990.22
  6. Step 6: Final answer
    x = 27,890.02

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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.