Home / 51,449.43-77,175.78-17,715.09

Finding the Fourth Proportional to 51,449.43, 77,175.78 and 17,715.09

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Solution

The fourth proportional to 51,449.43, 77,175.78 and 17,715.09 is: 26,573.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,449.43 : 77,175.78 = 17,715.09 : x
  2. Step 2: Convert to fraction form
    51,449.43/77,175.78 = 17,715.09/x
  3. Step 3: Cross multiply
    51,449.43x = 77,175.78 × 17,715.09
  4. Step 4: Simplify right side
    51,449.43x = 1,367,175,888.52
  5. Step 5: Solve for x
    x = 1,367,175,888.52/51,449.43
  6. Step 6: Final answer
    x = 26,573.20

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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.