Home / 34,136.20-51,204.30-18,389.80

Finding the Fourth Proportional to 34,136.20, 51,204.30 and 18,389.80

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Solution

The fourth proportional to 34,136.20, 51,204.30 and 18,389.80 is: 27,584.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,136.20 : 51,204.30 = 18,389.80 : x
  2. Step 2: Convert to fraction form
    34,136.20/51,204.30 = 18,389.80/x
  3. Step 3: Cross multiply
    34,136.20x = 51,204.30 × 18,389.80
  4. Step 4: Simplify right side
    34,136.20x = 941,636,836.14
  5. Step 5: Solve for x
    x = 941,636,836.14/34,136.20
  6. Step 6: Final answer
    x = 27,584.70

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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.