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Finding the Fourth Proportional to 29,730.46, 41,019.87 and 18,394.51

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Solution

The fourth proportional to 29,730.46, 41,019.87 and 18,394.51 is: 25,379.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,730.46 : 41,019.87 = 18,394.51 : x
  2. Step 2: Convert to fraction form
    29,730.46/41,019.87 = 18,394.51/x
  3. Step 3: Cross multiply
    29,730.46x = 41,019.87 × 18,394.51
  4. Step 4: Simplify right side
    29,730.46x = 754,540,408.91
  5. Step 5: Solve for x
    x = 754,540,408.91/29,730.46
  6. Step 6: Final answer
    x = 25,379.37

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.