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Finding the Fourth Proportional to 41,892.88, 57,811.50 and 23,029.60

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Solution

The fourth proportional to 41,892.88, 57,811.50 and 23,029.60 is: 31,780.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,892.88 : 57,811.50 = 23,029.60 : x
  2. Step 2: Convert to fraction form
    41,892.88/57,811.50 = 23,029.60/x
  3. Step 3: Cross multiply
    41,892.88x = 57,811.50 × 23,029.60
  4. Step 4: Simplify right side
    41,892.88x = 1,331,375,720.40
  5. Step 5: Solve for x
    x = 1,331,375,720.40/41,892.88
  6. Step 6: Final answer
    x = 31,780.48

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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.