Home / 33,845.70-50,754.58-12,782.16

Finding the Fourth Proportional to 33,845.70, 50,754.58 and 12,782.16

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Solution

The fourth proportional to 33,845.70, 50,754.58 and 12,782.16 is: 19,167.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,845.70 : 50,754.58 = 12,782.16 : x
  2. Step 2: Convert to fraction form
    33,845.70/50,754.58 = 12,782.16/x
  3. Step 3: Cross multiply
    33,845.70x = 50,754.58 × 12,782.16
  4. Step 4: Simplify right side
    33,845.70x = 648,752,940.01
  5. Step 5: Solve for x
    x = 648,752,940.01/33,845.70
  6. Step 6: Final answer
    x = 19,167.96

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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.