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Finding the Fourth Proportional to 36,676, 55,014 and 20,260

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Solution

The fourth proportional to 36,676, 55,014 and 20,260 is: 30,390

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,676 : 55,014 = 20,260 : x
  2. Step 2: Convert to fraction form
    36,676/55,014 = 20,260/x
  3. Step 3: Cross multiply
    36,676x = 55,014 × 20,260
  4. Step 4: Simplify right side
    36,676x = 1,114,583,640
  5. Step 5: Solve for x
    x = 1,114,583,640/36,676
  6. Step 6: Final answer
    x = 30,390

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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.