Home / 20,634.14-30,951.82-5,051.76

Finding the Fourth Proportional to 20,634.14, 30,951.82 and 5,051.76

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Solution

The fourth proportional to 20,634.14, 30,951.82 and 5,051.76 is: 7,577.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,634.14 : 30,951.82 = 5,051.76 : x
  2. Step 2: Convert to fraction form
    20,634.14/30,951.82 = 5,051.76/x
  3. Step 3: Cross multiply
    20,634.14x = 30,951.82 × 5,051.76
  4. Step 4: Simplify right side
    20,634.14x = 156,361,166.20
  5. Step 5: Solve for x
    x = 156,361,166.20/20,634.14
  6. Step 6: Final answer
    x = 7,577.79

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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.