Home / 33,218.98-45,845.76-20,469.44

Finding the Fourth Proportional to 33,218.98, 45,845.76 and 20,469.44

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Solution

The fourth proportional to 33,218.98, 45,845.76 and 20,469.44 is: 28,250.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,218.98 : 45,845.76 = 20,469.44 : x
  2. Step 2: Convert to fraction form
    33,218.98/45,845.76 = 20,469.44/x
  3. Step 3: Cross multiply
    33,218.98x = 45,845.76 × 20,469.44
  4. Step 4: Simplify right side
    33,218.98x = 938,437,224.95
  5. Step 5: Solve for x
    x = 938,437,224.95/33,218.98
  6. Step 6: Final answer
    x = 28,250.03

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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.