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Finding the Fourth Proportional to 33,470.42, 50,144.43 and 15,668.42

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Solution

The fourth proportional to 33,470.42, 50,144.43 and 15,668.42 is: 23,473.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,470.42 : 50,144.43 = 15,668.42 : x
  2. Step 2: Convert to fraction form
    33,470.42/50,144.43 = 15,668.42/x
  3. Step 3: Cross multiply
    33,470.42x = 50,144.43 × 15,668.42
  4. Step 4: Simplify right side
    33,470.42x = 785,683,989.90
  5. Step 5: Solve for x
    x = 785,683,989.90/33,470.42
  6. Step 6: Final answer
    x = 23,473.98

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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.