Home / 34,180.20-51,269.98-11,988.36

Finding the Fourth Proportional to 34,180.20, 51,269.98 and 11,988.36

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Solution

The fourth proportional to 34,180.20, 51,269.98 and 11,988.36 is: 17,982.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,180.20 : 51,269.98 = 11,988.36 : x
  2. Step 2: Convert to fraction form
    34,180.20/51,269.98 = 11,988.36/x
  3. Step 3: Cross multiply
    34,180.20x = 51,269.98 × 11,988.36
  4. Step 4: Simplify right side
    34,180.20x = 614,642,977.43
  5. Step 5: Solve for x
    x = 614,642,977.43/34,180.20
  6. Step 6: Final answer
    x = 17,982.43

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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.