Home / 33,771.05-50,625.61-12,978.89

Finding the Fourth Proportional to 33,771.05, 50,625.61 and 12,978.89

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Solution

The fourth proportional to 33,771.05, 50,625.61 and 12,978.89 is: 19,456.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,771.05 : 50,625.61 = 12,978.89 : x
  2. Step 2: Convert to fraction form
    33,771.05/50,625.61 = 12,978.89/x
  3. Step 3: Cross multiply
    33,771.05x = 50,625.61 × 12,978.89
  4. Step 4: Simplify right side
    33,771.05x = 657,064,223.37
  5. Step 5: Solve for x
    x = 657,064,223.37/33,771.05
  6. Step 6: Final answer
    x = 19,456.43

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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.