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Finding the Fourth Proportional to 49,847.57, 68,795.84 and 28,626.38

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Solution

The fourth proportional to 49,847.57, 68,795.84 and 28,626.38 is: 39,507.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,847.57 : 68,795.84 = 28,626.38 : x
  2. Step 2: Convert to fraction form
    49,847.57/68,795.84 = 28,626.38/x
  3. Step 3: Cross multiply
    49,847.57x = 68,795.84 × 28,626.38
  4. Step 4: Simplify right side
    49,847.57x = 1,969,375,858.26
  5. Step 5: Solve for x
    x = 1,969,375,858.26/49,847.57
  6. Step 6: Final answer
    x = 39,507.96

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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.