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Finding the Fourth Proportional to 61,217.85, 91,855.02 and 27,948.12

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Solution

The fourth proportional to 61,217.85, 91,855.02 and 27,948.12 is: 41,935.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,217.85 : 91,855.02 = 27,948.12 : x
  2. Step 2: Convert to fraction form
    61,217.85/91,855.02 = 27,948.12/x
  3. Step 3: Cross multiply
    61,217.85x = 91,855.02 × 27,948.12
  4. Step 4: Simplify right side
    61,217.85x = 2,567,175,121.56
  5. Step 5: Solve for x
    x = 2,567,175,121.56/61,217.85
  6. Step 6: Final answer
    x = 41,935.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.