Home / 33,160.62-45,760.53-19,728.81

Finding the Fourth Proportional to 33,160.62, 45,760.53 and 19,728.81

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Solution

The fourth proportional to 33,160.62, 45,760.53 and 19,728.81 is: 27,225.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,160.62 : 45,760.53 = 19,728.81 : x
  2. Step 2: Convert to fraction form
    33,160.62/45,760.53 = 19,728.81/x
  3. Step 3: Cross multiply
    33,160.62x = 45,760.53 × 19,728.81
  4. Step 4: Simplify right side
    33,160.62x = 902,800,801.87
  5. Step 5: Solve for x
    x = 902,800,801.87/33,160.62
  6. Step 6: Final answer
    x = 27,225.09

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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.