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Finding the Fourth Proportional to 40,751.84, 56,234.48 and 22,843.43

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Solution

The fourth proportional to 40,751.84, 56,234.48 and 22,843.43 is: 31,522.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,751.84 : 56,234.48 = 22,843.43 : x
  2. Step 2: Convert to fraction form
    40,751.84/56,234.48 = 22,843.43/x
  3. Step 3: Cross multiply
    40,751.84x = 56,234.48 × 22,843.43
  4. Step 4: Simplify right side
    40,751.84x = 1,284,588,012.08
  5. Step 5: Solve for x
    x = 1,284,588,012.08/40,751.84
  6. Step 6: Final answer
    x = 31,522.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.