Home / 33,972.21-50,967.12-12,912.62

Finding the Fourth Proportional to 33,972.21, 50,967.12 and 12,912.62

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Solution

The fourth proportional to 33,972.21, 50,967.12 and 12,912.62 is: 19,372.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,972.21 : 50,967.12 = 12,912.62 : x
  2. Step 2: Convert to fraction form
    33,972.21/50,967.12 = 12,912.62/x
  3. Step 3: Cross multiply
    33,972.21x = 50,967.12 × 12,912.62
  4. Step 4: Simplify right side
    33,972.21x = 658,118,798.22
  5. Step 5: Solve for x
    x = 658,118,798.22/33,972.21
  6. Step 6: Final answer
    x = 19,372.27

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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.