Home / 33,843.71-50,751.45-12,780.06

Finding the Fourth Proportional to 33,843.71, 50,751.45 and 12,780.06

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Solution

The fourth proportional to 33,843.71, 50,751.45 and 12,780.06 is: 19,164.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,843.71 : 50,751.45 = 12,780.06 : x
  2. Step 2: Convert to fraction form
    33,843.71/50,751.45 = 12,780.06/x
  3. Step 3: Cross multiply
    33,843.71x = 50,751.45 × 12,780.06
  4. Step 4: Simplify right side
    33,843.71x = 648,606,576.09
  5. Step 5: Solve for x
    x = 648,606,576.09/33,843.71
  6. Step 6: Final answer
    x = 19,164.76

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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.