Home / 51,611.28-77,377.92-26,640.48

Finding the Fourth Proportional to 51,611.28, 77,377.92 and 26,640.48

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Solution

The fourth proportional to 51,611.28, 77,377.92 and 26,640.48 is: 39,940.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,611.28 : 77,377.92 = 26,640.48 : x
  2. Step 2: Convert to fraction form
    51,611.28/77,377.92 = 26,640.48/x
  3. Step 3: Cross multiply
    51,611.28x = 77,377.92 × 26,640.48
  4. Step 4: Simplify right side
    51,611.28x = 2,061,384,930.20
  5. Step 5: Solve for x
    x = 2,061,384,930.20/51,611.28
  6. Step 6: Final answer
    x = 39,940.59

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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.