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Finding the Fourth Proportional to 61,863.48, 92,663.46 and 30,224.88

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Solution

The fourth proportional to 61,863.48, 92,663.46 and 30,224.88 is: 45,272.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,863.48 : 92,663.46 = 30,224.88 : x
  2. Step 2: Convert to fraction form
    61,863.48/92,663.46 = 30,224.88/x
  3. Step 3: Cross multiply
    61,863.48x = 92,663.46 × 30,224.88
  4. Step 4: Simplify right side
    61,863.48x = 2,800,741,958.88
  5. Step 5: Solve for x
    x = 2,800,741,958.88/61,863.48
  6. Step 6: Final answer
    x = 45,272.95

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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.