Home / 36,507.44-54,747.79-17,781.86

Finding the Fourth Proportional to 36,507.44, 54,747.79 and 17,781.86

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Solution

The fourth proportional to 36,507.44, 54,747.79 and 17,781.86 is: 26,666.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,507.44 : 54,747.79 = 17,781.86 : x
  2. Step 2: Convert to fraction form
    36,507.44/54,747.79 = 17,781.86/x
  3. Step 3: Cross multiply
    36,507.44x = 54,747.79 × 17,781.86
  4. Step 4: Simplify right side
    36,507.44x = 973,517,537.09
  5. Step 5: Solve for x
    x = 973,517,537.09/36,507.44
  6. Step 6: Final answer
    x = 26,666.28

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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.