Home / 33,121.04-45,706.82-18,783.54

Finding the Fourth Proportional to 33,121.04, 45,706.82 and 18,783.54

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Solution

The fourth proportional to 33,121.04, 45,706.82 and 18,783.54 is: 25,921.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,121.04 : 45,706.82 = 18,783.54 : x
  2. Step 2: Convert to fraction form
    33,121.04/45,706.82 = 18,783.54/x
  3. Step 3: Cross multiply
    33,121.04x = 45,706.82 × 18,783.54
  4. Step 4: Simplify right side
    33,121.04x = 858,535,787.83
  5. Step 5: Solve for x
    x = 858,535,787.83/33,121.04
  6. Step 6: Final answer
    x = 25,921.16

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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.