Home / 34,175.91-51,264.18-11,989.80

Finding the Fourth Proportional to 34,175.91, 51,264.18 and 11,989.80

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Solution

The fourth proportional to 34,175.91, 51,264.18 and 11,989.80 is: 17,984.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,175.91 : 51,264.18 = 11,989.80 : x
  2. Step 2: Convert to fraction form
    34,175.91/51,264.18 = 11,989.80/x
  3. Step 3: Cross multiply
    34,175.91x = 51,264.18 × 11,989.80
  4. Step 4: Simplify right side
    34,175.91x = 614,647,265.36
  5. Step 5: Solve for x
    x = 614,647,265.36/34,175.91
  6. Step 6: Final answer
    x = 17,984.81

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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.