Home / 49,956.32-68,945.91-28,735.40

Finding the Fourth Proportional to 49,956.32, 68,945.91 and 28,735.40

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Solution

The fourth proportional to 49,956.32, 68,945.91 and 28,735.40 is: 39,658.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,956.32 : 68,945.91 = 28,735.40 : x
  2. Step 2: Convert to fraction form
    49,956.32/68,945.91 = 28,735.40/x
  3. Step 3: Cross multiply
    49,956.32x = 68,945.91 × 28,735.40
  4. Step 4: Simplify right side
    49,956.32x = 1,981,188,302.21
  5. Step 5: Solve for x
    x = 1,981,188,302.21/49,956.32
  6. Step 6: Final answer
    x = 39,658.41

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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.