Home / 49,768.36-68,668.41-28,253.32

Finding the Fourth Proportional to 49,768.36, 68,668.41 and 28,253.32

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Solution

The fourth proportional to 49,768.36, 68,668.41 and 28,253.32 is: 38,982.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,768.36 : 68,668.41 = 28,253.32 : x
  2. Step 2: Convert to fraction form
    49,768.36/68,668.41 = 28,253.32/x
  3. Step 3: Cross multiply
    49,768.36x = 68,668.41 × 28,253.32
  4. Step 4: Simplify right side
    49,768.36x = 1,940,110,561.62
  5. Step 5: Solve for x
    x = 1,940,110,561.62/49,768.36
  6. Step 6: Final answer
    x = 38,982.81

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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.