Home / 40,131.92-60,139.56-22,512

Finding the Fourth Proportional to 40,131.92, 60,139.56 and 22,512

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Solution

The fourth proportional to 40,131.92, 60,139.56 and 22,512 is: 33,735.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,131.92 : 60,139.56 = 22,512 : x
  2. Step 2: Convert to fraction form
    40,131.92/60,139.56 = 22,512/x
  3. Step 3: Cross multiply
    40,131.92x = 60,139.56 × 22,512
  4. Step 4: Simplify right side
    40,131.92x = 1,353,861,774.72
  5. Step 5: Solve for x
    x = 1,353,861,774.72/40,131.92
  6. Step 6: Final answer
    x = 33,735.29

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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.