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Finding the Fourth Proportional to 61,198.62, 84,481.49 and 37,334.80

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Solution

The fourth proportional to 61,198.62, 84,481.49 and 37,334.80 is: 51,538.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,198.62 : 84,481.49 = 37,334.80 : x
  2. Step 2: Convert to fraction form
    61,198.62/84,481.49 = 37,334.80/x
  3. Step 3: Cross multiply
    61,198.62x = 84,481.49 × 37,334.80
  4. Step 4: Simplify right side
    61,198.62x = 3,154,099,346.18
  5. Step 5: Solve for x
    x = 3,154,099,346.18/61,198.62
  6. Step 6: Final answer
    x = 51,538.74

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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.