Home / 41,419.36-57,161.12-31,192.09

Finding the Fourth Proportional to 41,419.36, 57,161.12 and 31,192.09

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Solution

The fourth proportional to 41,419.36, 57,161.12 and 31,192.09 is: 43,046.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,419.36 : 57,161.12 = 31,192.09 : x
  2. Step 2: Convert to fraction form
    41,419.36/57,161.12 = 31,192.09/x
  3. Step 3: Cross multiply
    41,419.36x = 57,161.12 × 31,192.09
  4. Step 4: Simplify right side
    41,419.36x = 1,782,974,799.54
  5. Step 5: Solve for x
    x = 1,782,974,799.54/41,419.36
  6. Step 6: Final answer
    x = 43,046.89

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1.5x scale

Why These Related Problems?

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