Home / 33,186.31-49,777.84-12,408.19

Finding the Fourth Proportional to 33,186.31, 49,777.84 and 12,408.19

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Solution

The fourth proportional to 33,186.31, 49,777.84 and 12,408.19 is: 18,611.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,186.31 : 49,777.84 = 12,408.19 : x
  2. Step 2: Convert to fraction form
    33,186.31/49,777.84 = 12,408.19/x
  3. Step 3: Cross multiply
    33,186.31x = 49,777.84 × 12,408.19
  4. Step 4: Simplify right side
    33,186.31x = 617,652,787.58
  5. Step 5: Solve for x
    x = 617,652,787.58/33,186.31
  6. Step 6: Final answer
    x = 18,611.68

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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.