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Finding the Fourth Proportional to 62,571.95, 86,348.60 and 33,890.90

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Solution

The fourth proportional to 62,571.95, 86,348.60 and 33,890.90 is: 46,769.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,571.95 : 86,348.60 = 33,890.90 : x
  2. Step 2: Convert to fraction form
    62,571.95/86,348.60 = 33,890.90/x
  3. Step 3: Cross multiply
    62,571.95x = 86,348.60 × 33,890.90
  4. Step 4: Simplify right side
    62,571.95x = 2,926,431,166.54
  5. Step 5: Solve for x
    x = 2,926,431,166.54/62,571.95
  6. Step 6: Final answer
    x = 46,769.06

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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.