Home / 40,091.25-60,119.10-21,367.80

Finding the Fourth Proportional to 40,091.25, 60,119.10 and 21,367.80

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Solution

The fourth proportional to 40,091.25, 60,119.10 and 21,367.80 is: 32,042.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,091.25 : 60,119.10 = 21,367.80 : x
  2. Step 2: Convert to fraction form
    40,091.25/60,119.10 = 21,367.80/x
  3. Step 3: Cross multiply
    40,091.25x = 60,119.10 × 21,367.80
  4. Step 4: Simplify right side
    40,091.25x = 1,284,612,904.98
  5. Step 5: Solve for x
    x = 1,284,612,904.98/40,091.25
  6. Step 6: Final answer
    x = 32,042.23

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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.