Home / 37,190.50-55,789.29-12,230.75

Finding the Fourth Proportional to 37,190.50, 55,789.29 and 12,230.75

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Solution

The fourth proportional to 37,190.50, 55,789.29 and 12,230.75 is: 18,347.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,190.50 : 55,789.29 = 12,230.75 : x
  2. Step 2: Convert to fraction form
    37,190.50/55,789.29 = 12,230.75/x
  3. Step 3: Cross multiply
    37,190.50x = 55,789.29 × 12,230.75
  4. Step 4: Simplify right side
    37,190.50x = 682,344,998.14
  5. Step 5: Solve for x
    x = 682,344,998.14/37,190.50
  6. Step 6: Final answer
    x = 18,347.29

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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.