Home / 41,127.75-61,691.63-13,425.75

Finding the Fourth Proportional to 41,127.75, 61,691.63 and 13,425.75

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Solution

The fourth proportional to 41,127.75, 61,691.63 and 13,425.75 is: 20,138.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,127.75 : 61,691.63 = 13,425.75 : x
  2. Step 2: Convert to fraction form
    41,127.75/61,691.63 = 13,425.75/x
  3. Step 3: Cross multiply
    41,127.75x = 61,691.63 × 13,425.75
  4. Step 4: Simplify right side
    41,127.75x = 828,256,334.34
  5. Step 5: Solve for x
    x = 828,256,334.34/41,127.75
  6. Step 6: Final answer
    x = 20,138.63

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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.