Home / 29,325.60-43,991.10-11,791.80

Finding the Fourth Proportional to 29,325.60, 43,991.10 and 11,791.80

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Solution

The fourth proportional to 29,325.60, 43,991.10 and 11,791.80 is: 17,688.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,325.60 : 43,991.10 = 11,791.80 : x
  2. Step 2: Convert to fraction form
    29,325.60/43,991.10 = 11,791.80/x
  3. Step 3: Cross multiply
    29,325.60x = 43,991.10 × 11,791.80
  4. Step 4: Simplify right side
    29,325.60x = 518,734,252.98
  5. Step 5: Solve for x
    x = 518,734,252.98/29,325.60
  6. Step 6: Final answer
    x = 17,688.79

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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.