Home / 73,442.38-110,163.30-20,851.86

Finding the Fourth Proportional to 73,442.38, 110,163.30 and 20,851.86

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Solution

The fourth proportional to 73,442.38, 110,163.30 and 20,851.86 is: 31,277.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,442.38 : 110,163.30 = 20,851.86 : x
  2. Step 2: Convert to fraction form
    73,442.38/110,163.30 = 20,851.86/x
  3. Step 3: Cross multiply
    73,442.38x = 110,163.30 × 20,851.86
  4. Step 4: Simplify right side
    73,442.38x = 2,297,109,708.74
  5. Step 5: Solve for x
    x = 2,297,109,708.74/73,442.38
  6. Step 6: Final answer
    x = 31,277.71

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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.