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Finding the Fourth Proportional to 50,948.70, 76,422.99 and 33,414.42

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Solution

The fourth proportional to 50,948.70, 76,422.99 and 33,414.42 is: 50,121.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,948.70 : 76,422.99 = 33,414.42 : x
  2. Step 2: Convert to fraction form
    50,948.70/76,422.99 = 33,414.42/x
  3. Step 3: Cross multiply
    50,948.70x = 76,422.99 × 33,414.42
  4. Step 4: Simplify right side
    50,948.70x = 2,553,630,297.41
  5. Step 5: Solve for x
    x = 2,553,630,297.41/50,948.70
  6. Step 6: Final answer
    x = 50,121.60

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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.