Home / 37,121.48-55,691.67-12,163.22

Finding the Fourth Proportional to 37,121.48, 55,691.67 and 12,163.22

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Solution

The fourth proportional to 37,121.48, 55,691.67 and 12,163.22 is: 18,247.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,121.48 : 55,691.67 = 12,163.22 : x
  2. Step 2: Convert to fraction form
    37,121.48/55,691.67 = 12,163.22/x
  3. Step 3: Cross multiply
    37,121.48x = 55,691.67 × 12,163.22
  4. Step 4: Simplify right side
    37,121.48x = 677,390,034.38
  5. Step 5: Solve for x
    x = 677,390,034.38/37,121.48
  6. Step 6: Final answer
    x = 18,247.93

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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.