Home / 33,321.52-49,957.59-20,170.78

Finding the Fourth Proportional to 33,321.52, 49,957.59 and 20,170.78

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Solution

The fourth proportional to 33,321.52, 49,957.59 and 20,170.78 is: 30,241.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,321.52 : 49,957.59 = 20,170.78 : x
  2. Step 2: Convert to fraction form
    33,321.52/49,957.59 = 20,170.78/x
  3. Step 3: Cross multiply
    33,321.52x = 49,957.59 × 20,170.78
  4. Step 4: Simplify right side
    33,321.52x = 1,007,683,557.22
  5. Step 5: Solve for x
    x = 1,007,683,557.22/33,321.52
  6. Step 6: Final answer
    x = 30,241.22

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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.