Home / 40,115.70-60,164.42-17,917.04

Finding the Fourth Proportional to 40,115.70, 60,164.42 and 17,917.04

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Solution

The fourth proportional to 40,115.70, 60,164.42 and 17,917.04 is: 26,871.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,115.70 : 60,164.42 = 17,917.04 : x
  2. Step 2: Convert to fraction form
    40,115.70/60,164.42 = 17,917.04/x
  3. Step 3: Cross multiply
    40,115.70x = 60,164.42 × 17,917.04
  4. Step 4: Simplify right side
    40,115.70x = 1,077,968,380.54
  5. Step 5: Solve for x
    x = 1,077,968,380.54/40,115.70
  6. Step 6: Final answer
    x = 26,871.48

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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.