Home / 33,015.94-49,531.20-12,239.44

Finding the Fourth Proportional to 33,015.94, 49,531.20 and 12,239.44

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Solution

The fourth proportional to 33,015.94, 49,531.20 and 12,239.44 is: 18,361.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,015.94 : 49,531.20 = 12,239.44 : x
  2. Step 2: Convert to fraction form
    33,015.94/49,531.20 = 12,239.44/x
  3. Step 3: Cross multiply
    33,015.94x = 49,531.20 × 12,239.44
  4. Step 4: Simplify right side
    33,015.94x = 606,233,980.80
  5. Step 5: Solve for x
    x = 606,233,980.80/33,015.94
  6. Step 6: Final answer
    x = 18,361.86

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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.