Home / 33,830.34-50,760.09-14,112.78

Finding the Fourth Proportional to 33,830.34, 50,760.09 and 14,112.78

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Solution

The fourth proportional to 33,830.34, 50,760.09 and 14,112.78 is: 21,175.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,830.34 : 50,760.09 = 14,112.78 : x
  2. Step 2: Convert to fraction form
    33,830.34/50,760.09 = 14,112.78/x
  3. Step 3: Cross multiply
    33,830.34x = 50,760.09 × 14,112.78
  4. Step 4: Simplify right side
    33,830.34x = 716,365,982.95
  5. Step 5: Solve for x
    x = 716,365,982.95/33,830.34
  6. Step 6: Final answer
    x = 21,175.25

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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.