Home / 36,965.75-51,012.78-20,198.75

Finding the Fourth Proportional to 36,965.75, 51,012.78 and 20,198.75

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Solution

The fourth proportional to 36,965.75, 51,012.78 and 20,198.75 is: 27,874.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,965.75 : 51,012.78 = 20,198.75 : x
  2. Step 2: Convert to fraction form
    36,965.75/51,012.78 = 20,198.75/x
  3. Step 3: Cross multiply
    36,965.75x = 51,012.78 × 20,198.75
  4. Step 4: Simplify right side
    36,965.75x = 1,030,394,390.03
  5. Step 5: Solve for x
    x = 1,030,394,390.03/36,965.75
  6. Step 6: Final answer
    x = 27,874.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.