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Finding the Fourth Proportional to 34,051.98, 51,085.17 and 10,680.78

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Solution

The fourth proportional to 34,051.98, 51,085.17 and 10,680.78 is: 16,023.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,051.98 : 51,085.17 = 10,680.78 : x
  2. Step 2: Convert to fraction form
    34,051.98/51,085.17 = 10,680.78/x
  3. Step 3: Cross multiply
    34,051.98x = 51,085.17 × 10,680.78
  4. Step 4: Simplify right side
    34,051.98x = 545,629,462.03
  5. Step 5: Solve for x
    x = 545,629,462.03/34,051.98
  6. Step 6: Final answer
    x = 16,023.43

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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.