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Finding the Fourth Proportional to 36,652.38, 54,978.42 and 13,273.34

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Solution

The fourth proportional to 36,652.38, 54,978.42 and 13,273.34 is: 19,909.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,652.38 : 54,978.42 = 13,273.34 : x
  2. Step 2: Convert to fraction form
    36,652.38/54,978.42 = 13,273.34/x
  3. Step 3: Cross multiply
    36,652.38x = 54,978.42 × 13,273.34
  4. Step 4: Simplify right side
    36,652.38x = 729,747,261.32
  5. Step 5: Solve for x
    x = 729,747,261.32/36,652.38
  6. Step 6: Final answer
    x = 19,909.96

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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.