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Finding the Fourth Proportional to 29,610.84, 40,862.48 and 16,181.82

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Solution

The fourth proportional to 29,610.84, 40,862.48 and 16,181.82 is: 22,330.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,610.84 : 40,862.48 = 16,181.82 : x
  2. Step 2: Convert to fraction form
    29,610.84/40,862.48 = 16,181.82/x
  3. Step 3: Cross multiply
    29,610.84x = 40,862.48 × 16,181.82
  4. Step 4: Simplify right side
    29,610.84x = 661,229,296.11
  5. Step 5: Solve for x
    x = 661,229,296.11/29,610.84
  6. Step 6: Final answer
    x = 22,330.65

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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.