Home / 33,872.70-46,731.80-21,942.60

Finding the Fourth Proportional to 33,872.70, 46,731.80 and 21,942.60

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Solution

The fourth proportional to 33,872.70, 46,731.80 and 21,942.60 is: 30,272.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,872.70 : 46,731.80 = 21,942.60 : x
  2. Step 2: Convert to fraction form
    33,872.70/46,731.80 = 21,942.60/x
  3. Step 3: Cross multiply
    33,872.70x = 46,731.80 × 21,942.60
  4. Step 4: Simplify right side
    33,872.70x = 1,025,417,194.68
  5. Step 5: Solve for x
    x = 1,025,417,194.68/33,872.70
  6. Step 6: Final answer
    x = 30,272.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.