Home / 37,177.80-55,773.18-12,210.90

Finding the Fourth Proportional to 37,177.80, 55,773.18 and 12,210.90

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Solution

The fourth proportional to 37,177.80, 55,773.18 and 12,210.90 is: 18,318.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,177.80 : 55,773.18 = 12,210.90 : x
  2. Step 2: Convert to fraction form
    37,177.80/55,773.18 = 12,210.90/x
  3. Step 3: Cross multiply
    37,177.80x = 55,773.18 × 12,210.90
  4. Step 4: Simplify right side
    37,177.80x = 681,040,723.66
  5. Step 5: Solve for x
    x = 681,040,723.66/37,177.80
  6. Step 6: Final answer
    x = 18,318.48

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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.