Home / 38,136.26-57,211.96-11,839.88

Finding the Fourth Proportional to 38,136.26, 57,211.96 and 11,839.88

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Solution

The fourth proportional to 38,136.26, 57,211.96 and 11,839.88 is: 17,762.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,136.26 : 57,211.96 = 11,839.88 : x
  2. Step 2: Convert to fraction form
    38,136.26/57,211.96 = 11,839.88/x
  3. Step 3: Cross multiply
    38,136.26x = 57,211.96 × 11,839.88
  4. Step 4: Simplify right side
    38,136.26x = 677,382,740.96
  5. Step 5: Solve for x
    x = 677,382,740.96/38,136.26
  6. Step 6: Final answer
    x = 17,762.17

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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.