Home / 38,636.96-57,963.74-11,982.38

Finding the Fourth Proportional to 38,636.96, 57,963.74 and 11,982.38

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Solution

The fourth proportional to 38,636.96, 57,963.74 and 11,982.38 is: 17,976.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,636.96 : 57,963.74 = 11,982.38 : x
  2. Step 2: Convert to fraction form
    38,636.96/57,963.74 = 11,982.38/x
  3. Step 3: Cross multiply
    38,636.96x = 57,963.74 × 11,982.38
  4. Step 4: Simplify right side
    38,636.96x = 694,543,209.17
  5. Step 5: Solve for x
    x = 694,543,209.17/38,636.96
  6. Step 6: Final answer
    x = 17,976.14

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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.