Home / 34,326.56-51,489.86-12,127.88

Finding the Fourth Proportional to 34,326.56, 51,489.86 and 12,127.88

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Solution

The fourth proportional to 34,326.56, 51,489.86 and 12,127.88 is: 18,191.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,326.56 : 51,489.86 = 12,127.88 : x
  2. Step 2: Convert to fraction form
    34,326.56/51,489.86 = 12,127.88/x
  3. Step 3: Cross multiply
    34,326.56x = 51,489.86 × 12,127.88
  4. Step 4: Simplify right side
    34,326.56x = 624,462,843.30
  5. Step 5: Solve for x
    x = 624,462,843.30/34,326.56
  6. Step 6: Final answer
    x = 18,191.83

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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.