Home / 29,121.45-43,645.62-12,461.89

Finding the Fourth Proportional to 29,121.45, 43,645.62 and 12,461.89

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Solution

The fourth proportional to 29,121.45, 43,645.62 and 12,461.89 is: 18,677.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,121.45 : 43,645.62 = 12,461.89 : x
  2. Step 2: Convert to fraction form
    29,121.45/43,645.62 = 12,461.89/x
  3. Step 3: Cross multiply
    29,121.45x = 43,645.62 × 12,461.89
  4. Step 4: Simplify right side
    29,121.45x = 543,906,853.11
  5. Step 5: Solve for x
    x = 543,906,853.11/29,121.45
  6. Step 6: Final answer
    x = 18,677.19

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