Home / 34,212.80-51,326.40-14,481.20

Finding the Fourth Proportional to 34,212.80, 51,326.40 and 14,481.20

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Solution

The fourth proportional to 34,212.80, 51,326.40 and 14,481.20 is: 21,724.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,212.80 : 51,326.40 = 14,481.20 : x
  2. Step 2: Convert to fraction form
    34,212.80/51,326.40 = 14,481.20/x
  3. Step 3: Cross multiply
    34,212.80x = 51,326.40 × 14,481.20
  4. Step 4: Simplify right side
    34,212.80x = 743,267,863.68
  5. Step 5: Solve for x
    x = 743,267,863.68/34,212.80
  6. Step 6: Final answer
    x = 21,724.85

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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.