Home / 34,786.40-52,180.16-8,491.60

Finding the Fourth Proportional to 34,786.40, 52,180.16 and 8,491.60

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Solution

The fourth proportional to 34,786.40, 52,180.16 and 8,491.60 is: 12,737.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,786.40 : 52,180.16 = 8,491.60 : x
  2. Step 2: Convert to fraction form
    34,786.40/52,180.16 = 8,491.60/x
  3. Step 3: Cross multiply
    34,786.40x = 52,180.16 × 8,491.60
  4. Step 4: Simplify right side
    34,786.40x = 443,093,046.66
  5. Step 5: Solve for x
    x = 443,093,046.66/34,786.40
  6. Step 6: Final answer
    x = 12,737.54

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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.