Home / 40,716.36-61,043.22-19,645.56

Finding the Fourth Proportional to 40,716.36, 61,043.22 and 19,645.56

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Solution

The fourth proportional to 40,716.36, 61,043.22 and 19,645.56 is: 29,453.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,716.36 : 61,043.22 = 19,645.56 : x
  2. Step 2: Convert to fraction form
    40,716.36/61,043.22 = 19,645.56/x
  3. Step 3: Cross multiply
    40,716.36x = 61,043.22 × 19,645.56
  4. Step 4: Simplify right side
    40,716.36x = 1,199,228,241.10
  5. Step 5: Solve for x
    x = 1,199,228,241.10/40,716.36
  6. Step 6: Final answer
    x = 29,453.23

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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.