Home / 33,840.90-50,755.41-12,782.79

Finding the Fourth Proportional to 33,840.90, 50,755.41 and 12,782.79

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Solution

The fourth proportional to 33,840.90, 50,755.41 and 12,782.79 is: 19,171.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,840.90 : 50,755.41 = 12,782.79 : x
  2. Step 2: Convert to fraction form
    33,840.90/50,755.41 = 12,782.79/x
  3. Step 3: Cross multiply
    33,840.90x = 50,755.41 × 12,782.79
  4. Step 4: Simplify right side
    33,840.90x = 648,795,747.39
  5. Step 5: Solve for x
    x = 648,795,747.39/33,840.90
  6. Step 6: Final answer
    x = 19,171.94

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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.