Home / 36,986.21-51,040.82-20,855.27

Finding the Fourth Proportional to 36,986.21, 51,040.82 and 20,855.27

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Solution

The fourth proportional to 36,986.21, 51,040.82 and 20,855.27 is: 28,780.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,986.21 : 51,040.82 = 20,855.27 : x
  2. Step 2: Convert to fraction form
    36,986.21/51,040.82 = 20,855.27/x
  3. Step 3: Cross multiply
    36,986.21x = 51,040.82 × 20,855.27
  4. Step 4: Simplify right side
    36,986.21x = 1,064,469,879.06
  5. Step 5: Solve for x
    x = 1,064,469,879.06/36,986.21
  6. Step 6: Final answer
    x = 28,780.18

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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.