Home / 37,791.36-56,687.04-20,371.91

Finding the Fourth Proportional to 37,791.36, 56,687.04 and 20,371.91

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Solution

The fourth proportional to 37,791.36, 56,687.04 and 20,371.91 is: 30,557.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,791.36 : 56,687.04 = 20,371.91 : x
  2. Step 2: Convert to fraction form
    37,791.36/56,687.04 = 20,371.91/x
  3. Step 3: Cross multiply
    37,791.36x = 56,687.04 × 20,371.91
  4. Step 4: Simplify right side
    37,791.36x = 1,154,822,993.61
  5. Step 5: Solve for x
    x = 1,154,822,993.61/37,791.36
  6. Step 6: Final answer
    x = 30,557.86

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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.