Home / 36,189.90-54,241.65-18,650.70

Finding the Fourth Proportional to 36,189.90, 54,241.65 and 18,650.70

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Solution

The fourth proportional to 36,189.90, 54,241.65 and 18,650.70 is: 27,953.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,189.90 : 54,241.65 = 18,650.70 : x
  2. Step 2: Convert to fraction form
    36,189.90/54,241.65 = 18,650.70/x
  3. Step 3: Cross multiply
    36,189.90x = 54,241.65 × 18,650.70
  4. Step 4: Simplify right side
    36,189.90x = 1,011,644,741.66
  5. Step 5: Solve for x
    x = 1,011,644,741.66/36,189.90
  6. Step 6: Final answer
    x = 27,953.79

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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.