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Finding the Fourth Proportional to 36,427, 50,270.24 and 20,512.04

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Solution

The fourth proportional to 36,427, 50,270.24 and 20,512.04 is: 28,307.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,427 : 50,270.24 = 20,512.04 : x
  2. Step 2: Convert to fraction form
    36,427/50,270.24 = 20,512.04/x
  3. Step 3: Cross multiply
    36,427x = 50,270.24 × 20,512.04
  4. Step 4: Simplify right side
    36,427x = 1,031,145,173.69
  5. Step 5: Solve for x
    x = 1,031,145,173.69/36,427
  6. Step 6: Final answer
    x = 28,307.17

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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.