Home / 36,241.30-54,367.35-12,865.78

Finding the Fourth Proportional to 36,241.30, 54,367.35 and 12,865.78

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Solution

The fourth proportional to 36,241.30, 54,367.35 and 12,865.78 is: 19,300.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,241.30 : 54,367.35 = 12,865.78 : x
  2. Step 2: Convert to fraction form
    36,241.30/54,367.35 = 12,865.78/x
  3. Step 3: Cross multiply
    36,241.30x = 54,367.35 × 12,865.78
  4. Step 4: Simplify right side
    36,241.30x = 699,478,364.28
  5. Step 5: Solve for x
    x = 699,478,364.28/36,241.30
  6. Step 6: Final answer
    x = 19,300.59

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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.