Home / 34,531.80-51,786.36-10,839.30

Finding the Fourth Proportional to 34,531.80, 51,786.36 and 10,839.30

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Solution

The fourth proportional to 34,531.80, 51,786.36 and 10,839.30 is: 16,255.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,531.80 : 51,786.36 = 10,839.30 : x
  2. Step 2: Convert to fraction form
    34,531.80/51,786.36 = 10,839.30/x
  3. Step 3: Cross multiply
    34,531.80x = 51,786.36 × 10,839.30
  4. Step 4: Simplify right side
    34,531.80x = 561,327,891.95
  5. Step 5: Solve for x
    x = 561,327,891.95/34,531.80
  6. Step 6: Final answer
    x = 16,255.39

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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.