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Finding the Fourth Proportional to 33,503.70, 50,220.57 and 11,309.43

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Solution

The fourth proportional to 33,503.70, 50,220.57 and 11,309.43 is: 16,952.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,503.70 : 50,220.57 = 11,309.43 : x
  2. Step 2: Convert to fraction form
    33,503.70/50,220.57 = 11,309.43/x
  3. Step 3: Cross multiply
    33,503.70x = 50,220.57 × 11,309.43
  4. Step 4: Simplify right side
    33,503.70x = 567,966,020.98
  5. Step 5: Solve for x
    x = 567,966,020.98/33,503.70
  6. Step 6: Final answer
    x = 16,952.34

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1.5x scale

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.