Home / 66,233.11-99,339.94-21,861.31

Finding the Fourth Proportional to 66,233.11, 99,339.94 and 21,861.31

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Solution

The fourth proportional to 66,233.11, 99,339.94 and 21,861.31 is: 32,788.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,233.11 : 99,339.94 = 21,861.31 : x
  2. Step 2: Convert to fraction form
    66,233.11/99,339.94 = 21,861.31/x
  3. Step 3: Cross multiply
    66,233.11x = 99,339.94 × 21,861.31
  4. Step 4: Simplify right side
    66,233.11x = 2,171,701,223.72
  5. Step 5: Solve for x
    x = 2,171,701,223.72/66,233.11
  6. Step 6: Final answer
    x = 32,788.76

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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.