Home / 36,930.24-50,961.96-21,013.20

Finding the Fourth Proportional to 36,930.24, 50,961.96 and 21,013.20

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Solution

The fourth proportional to 36,930.24, 50,961.96 and 21,013.20 is: 28,997.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,930.24 : 50,961.96 = 21,013.20 : x
  2. Step 2: Convert to fraction form
    36,930.24/50,961.96 = 21,013.20/x
  3. Step 3: Cross multiply
    36,930.24x = 50,961.96 × 21,013.20
  4. Step 4: Simplify right side
    36,930.24x = 1,070,873,857.87
  5. Step 5: Solve for x
    x = 1,070,873,857.87/36,930.24
  6. Step 6: Final answer
    x = 28,997.21

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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.