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Finding the Fourth Proportional to 41,855.31, 57,763.16 and 22,992.63

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Solution

The fourth proportional to 41,855.31, 57,763.16 and 22,992.63 is: 31,731.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,855.31 : 57,763.16 = 22,992.63 : x
  2. Step 2: Convert to fraction form
    41,855.31/57,763.16 = 22,992.63/x
  3. Step 3: Cross multiply
    41,855.31x = 57,763.16 × 22,992.63
  4. Step 4: Simplify right side
    41,855.31x = 1,328,126,850.55
  5. Step 5: Solve for x
    x = 1,328,126,850.55/41,855.31
  6. Step 6: Final answer
    x = 31,731.38

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Double scale
Find fourth proportional to 41,856.31, 57,764.54 and 22,993.63
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1.5x scale

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.