Home / 29,351.55-43,977-19,716.36

Finding the Fourth Proportional to 29,351.55, 43,977 and 19,716.36

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Solution

The fourth proportional to 29,351.55, 43,977 and 19,716.36 is: 29,540.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,351.55 : 43,977 = 19,716.36 : x
  2. Step 2: Convert to fraction form
    29,351.55/43,977 = 19,716.36/x
  3. Step 3: Cross multiply
    29,351.55x = 43,977 × 19,716.36
  4. Step 4: Simplify right side
    29,351.55x = 867,066,363.72
  5. Step 5: Solve for x
    x = 867,066,363.72/29,351.55
  6. Step 6: Final answer
    x = 29,540.74

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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.