Home / 34,269.30-51,403.95-12,107.70

Finding the Fourth Proportional to 34,269.30, 51,403.95 and 12,107.70

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Solution

The fourth proportional to 34,269.30, 51,403.95 and 12,107.70 is: 18,161.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,269.30 : 51,403.95 = 12,107.70 : x
  2. Step 2: Convert to fraction form
    34,269.30/51,403.95 = 12,107.70/x
  3. Step 3: Cross multiply
    34,269.30x = 51,403.95 × 12,107.70
  4. Step 4: Simplify right side
    34,269.30x = 622,383,605.42
  5. Step 5: Solve for x
    x = 622,383,605.42/34,269.30
  6. Step 6: Final answer
    x = 18,161.55

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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.