Home / 34,136.26-51,227.61-20,948.38

Finding the Fourth Proportional to 34,136.26, 51,227.61 and 20,948.38

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Solution

The fourth proportional to 34,136.26, 51,227.61 and 20,948.38 is: 31,436.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,136.26 : 51,227.61 = 20,948.38 : x
  2. Step 2: Convert to fraction form
    34,136.26/51,227.61 = 20,948.38/x
  3. Step 3: Cross multiply
    34,136.26x = 51,227.61 × 20,948.38
  4. Step 4: Simplify right side
    34,136.26x = 1,073,135,440.77
  5. Step 5: Solve for x
    x = 1,073,135,440.77/34,136.26
  6. Step 6: Final answer
    x = 31,436.82

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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.