Home / 34,161.46-51,171.41-20,079

Finding the Fourth Proportional to 34,161.46, 51,171.41 and 20,079

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Solution

The fourth proportional to 34,161.46, 51,171.41 and 20,079 is: 30,076.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,161.46 : 51,171.41 = 20,079 : x
  2. Step 2: Convert to fraction form
    34,161.46/51,171.41 = 20,079/x
  3. Step 3: Cross multiply
    34,161.46x = 51,171.41 × 20,079
  4. Step 4: Simplify right side
    34,161.46x = 1,027,470,791.59
  5. Step 5: Solve for x
    x = 1,027,470,791.59/34,161.46
  6. Step 6: Final answer
    x = 30,076.90

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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.