Home / 33,728.31-50,556.78-12,654.54

Finding the Fourth Proportional to 33,728.31, 50,556.78 and 12,654.54

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Solution

The fourth proportional to 33,728.31, 50,556.78 and 12,654.54 is: 18,968.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,728.31 : 50,556.78 = 12,654.54 : x
  2. Step 2: Convert to fraction form
    33,728.31/50,556.78 = 12,654.54/x
  3. Step 3: Cross multiply
    33,728.31x = 50,556.78 × 12,654.54
  4. Step 4: Simplify right side
    33,728.31x = 639,772,794.78
  5. Step 5: Solve for x
    x = 639,772,794.78/33,728.31
  6. Step 6: Final answer
    x = 18,968.42

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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.