Home / 51,821.68-71,512.29-29,161.96

Finding the Fourth Proportional to 51,821.68, 71,512.29 and 29,161.96

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Solution

The fourth proportional to 51,821.68, 71,512.29 and 29,161.96 is: 40,242.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,821.68 : 71,512.29 = 29,161.96 : x
  2. Step 2: Convert to fraction form
    51,821.68/71,512.29 = 29,161.96/x
  3. Step 3: Cross multiply
    51,821.68x = 71,512.29 × 29,161.96
  4. Step 4: Simplify right side
    51,821.68x = 2,085,438,540.49
  5. Step 5: Solve for x
    x = 2,085,438,540.49/51,821.68
  6. Step 6: Final answer
    x = 40,242.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.