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Finding the Fourth Proportional to 62,486.33, 86,226.85 and 35,629.97

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Solution

The fourth proportional to 62,486.33, 86,226.85 and 35,629.97 is: 49,166.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,486.33 : 86,226.85 = 35,629.97 : x
  2. Step 2: Convert to fraction form
    62,486.33/86,226.85 = 35,629.97/x
  3. Step 3: Cross multiply
    62,486.33x = 86,226.85 × 35,629.97
  4. Step 4: Simplify right side
    62,486.33x = 3,072,260,078.69
  5. Step 5: Solve for x
    x = 3,072,260,078.69/62,486.33
  6. Step 6: Final answer
    x = 49,166.92

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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.