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Finding the Fourth Proportional to 29,083.54, 43,619.80 and 8,018.38

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Solution

The fourth proportional to 29,083.54, 43,619.80 and 8,018.38 is: 12,026.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,083.54 : 43,619.80 = 8,018.38 : x
  2. Step 2: Convert to fraction form
    29,083.54/43,619.80 = 8,018.38/x
  3. Step 3: Cross multiply
    29,083.54x = 43,619.80 × 8,018.38
  4. Step 4: Simplify right side
    29,083.54x = 349,760,131.92
  5. Step 5: Solve for x
    x = 349,760,131.92/29,083.54
  6. Step 6: Final answer
    x = 12,026.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.