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Finding the Fourth Proportional to 56,675.70, 84,896.82 and 33,245.64

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Solution

The fourth proportional to 56,675.70, 84,896.82 and 33,245.64 is: 49,799.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,675.70 : 84,896.82 = 33,245.64 : x
  2. Step 2: Convert to fraction form
    56,675.70/84,896.82 = 33,245.64/x
  3. Step 3: Cross multiply
    56,675.70x = 84,896.82 × 33,245.64
  4. Step 4: Simplify right side
    56,675.70x = 2,822,449,114.86
  5. Step 5: Solve for x
    x = 2,822,449,114.86/56,675.70
  6. Step 6: Final answer
    x = 49,799.99

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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.