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Finding the Fourth Proportional to 36,450, 50,297.22 and 21,341.88

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Solution

The fourth proportional to 36,450, 50,297.22 and 21,341.88 is: 29,449.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,450 : 50,297.22 = 21,341.88 : x
  2. Step 2: Convert to fraction form
    36,450/50,297.22 = 21,341.88/x
  3. Step 3: Cross multiply
    36,450x = 50,297.22 × 21,341.88
  4. Step 4: Simplify right side
    36,450x = 1,073,437,233.57
  5. Step 5: Solve for x
    x = 1,073,437,233.57/36,450
  6. Step 6: Final answer
    x = 29,449.58

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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.