Home / 37,188.68-55,791.21-12,227.72

Finding the Fourth Proportional to 37,188.68, 55,791.21 and 12,227.72

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Solution

The fourth proportional to 37,188.68, 55,791.21 and 12,227.72 is: 18,344.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,188.68 : 55,791.21 = 12,227.72 : x
  2. Step 2: Convert to fraction form
    37,188.68/55,791.21 = 12,227.72/x
  3. Step 3: Cross multiply
    37,188.68x = 55,791.21 × 12,227.72
  4. Step 4: Simplify right side
    37,188.68x = 682,199,061.24
  5. Step 5: Solve for x
    x = 682,199,061.24/37,188.68
  6. Step 6: Final answer
    x = 18,344.27

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1.5x scale

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.