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Finding the Fourth Proportional to 33,391.68, 50,061.60 and 19,524.48

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Solution

The fourth proportional to 33,391.68, 50,061.60 and 19,524.48 is: 29,271.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,391.68 : 50,061.60 = 19,524.48 : x
  2. Step 2: Convert to fraction form
    33,391.68/50,061.60 = 19,524.48/x
  3. Step 3: Cross multiply
    33,391.68x = 50,061.60 × 19,524.48
  4. Step 4: Simplify right side
    33,391.68x = 977,426,707.97
  5. Step 5: Solve for x
    x = 977,426,707.97/33,391.68
  6. Step 6: Final answer
    x = 29,271.56

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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.