Home / 33,519.81-50,234.36-12,731.97

Finding the Fourth Proportional to 33,519.81, 50,234.36 and 12,731.97

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Solution

The fourth proportional to 33,519.81, 50,234.36 and 12,731.97 is: 19,080.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,519.81 : 50,234.36 = 12,731.97 : x
  2. Step 2: Convert to fraction form
    33,519.81/50,234.36 = 12,731.97/x
  3. Step 3: Cross multiply
    33,519.81x = 50,234.36 × 12,731.97
  4. Step 4: Simplify right side
    33,519.81x = 639,582,300.83
  5. Step 5: Solve for x
    x = 639,582,300.83/33,519.81
  6. Step 6: Final answer
    x = 19,080.73

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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.