Home / 29,371.57-44,020.38-21,067.78

Finding the Fourth Proportional to 29,371.57, 44,020.38 and 21,067.78

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Solution

The fourth proportional to 29,371.57, 44,020.38 and 21,067.78 is: 31,575.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,371.57 : 44,020.38 = 21,067.78 : x
  2. Step 2: Convert to fraction form
    29,371.57/44,020.38 = 21,067.78/x
  3. Step 3: Cross multiply
    29,371.57x = 44,020.38 × 21,067.78
  4. Step 4: Simplify right side
    29,371.57x = 927,411,681.36
  5. Step 5: Solve for x
    x = 927,411,681.36/29,371.57
  6. Step 6: Final answer
    x = 31,575.15

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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.