Home / 34,136.40-51,204.60-13,346.40

Finding the Fourth Proportional to 34,136.40, 51,204.60 and 13,346.40

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Solution

The fourth proportional to 34,136.40, 51,204.60 and 13,346.40 is: 20,019.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,136.40 : 51,204.60 = 13,346.40 : x
  2. Step 2: Convert to fraction form
    34,136.40/51,204.60 = 13,346.40/x
  3. Step 3: Cross multiply
    34,136.40x = 51,204.60 × 13,346.40
  4. Step 4: Simplify right side
    34,136.40x = 683,397,073.44
  5. Step 5: Solve for x
    x = 683,397,073.44/34,136.40
  6. Step 6: Final answer
    x = 20,019.60

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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.