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Finding the Fourth Proportional to 40,625.70, 56,060.91 and 22,722

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Solution

The fourth proportional to 40,625.70, 56,060.91 and 22,722 is: 31,354.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,625.70 : 56,060.91 = 22,722 : x
  2. Step 2: Convert to fraction form
    40,625.70/56,060.91 = 22,722/x
  3. Step 3: Cross multiply
    40,625.70x = 56,060.91 × 22,722
  4. Step 4: Simplify right side
    40,625.70x = 1,273,815,997.02
  5. Step 5: Solve for x
    x = 1,273,815,997.02/40,625.70
  6. Step 6: Final answer
    x = 31,354.93

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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.