Home / 34,324.53-51,491.94-12,138.09

Finding the Fourth Proportional to 34,324.53, 51,491.94 and 12,138.09

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Solution

The fourth proportional to 34,324.53, 51,491.94 and 12,138.09 is: 18,208.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,324.53 : 51,491.94 = 12,138.09 : x
  2. Step 2: Convert to fraction form
    34,324.53/51,491.94 = 12,138.09/x
  3. Step 3: Cross multiply
    34,324.53x = 51,491.94 × 12,138.09
  4. Step 4: Simplify right side
    34,324.53x = 625,013,801.99
  5. Step 5: Solve for x
    x = 625,013,801.99/34,324.53
  6. Step 6: Final answer
    x = 18,208.95

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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.