Home / 33,519.31-50,233.60-12,731.47

Finding the Fourth Proportional to 33,519.31, 50,233.60 and 12,731.47

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Solution

The fourth proportional to 33,519.31, 50,233.60 and 12,731.47 is: 19,079.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,519.31 : 50,233.60 = 12,731.47 : x
  2. Step 2: Convert to fraction form
    33,519.31/50,233.60 = 12,731.47/x
  3. Step 3: Cross multiply
    33,519.31x = 50,233.60 × 12,731.47
  4. Step 4: Simplify right side
    33,519.31x = 639,547,571.39
  5. Step 5: Solve for x
    x = 639,547,571.39/33,519.31
  6. Step 6: Final answer
    x = 19,079.97

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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.