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Finding the Fourth Proportional to 61,292.26, 91,956.84 and 21,844.24

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Solution

The fourth proportional to 61,292.26, 91,956.84 and 21,844.24 is: 32,772.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,292.26 : 91,956.84 = 21,844.24 : x
  2. Step 2: Convert to fraction form
    61,292.26/91,956.84 = 21,844.24/x
  3. Step 3: Cross multiply
    61,292.26x = 91,956.84 × 21,844.24
  4. Step 4: Simplify right side
    61,292.26x = 2,008,727,282.60
  5. Step 5: Solve for x
    x = 2,008,727,282.60/61,292.26
  6. Step 6: Final answer
    x = 32,772.94

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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.