Home / 49,739.72-68,640.81-27,383.72

Finding the Fourth Proportional to 49,739.72, 68,640.81 and 27,383.72

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Solution

The fourth proportional to 49,739.72, 68,640.81 and 27,383.72 is: 37,789.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,739.72 : 68,640.81 = 27,383.72 : x
  2. Step 2: Convert to fraction form
    49,739.72/68,640.81 = 27,383.72/x
  3. Step 3: Cross multiply
    49,739.72x = 68,640.81 × 27,383.72
  4. Step 4: Simplify right side
    49,739.72x = 1,879,640,378.41
  5. Step 5: Solve for x
    x = 1,879,640,378.41/49,739.72
  6. Step 6: Final answer
    x = 37,789.53

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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.