Home / 40,039.61-55,256.78-23,046.44

Finding the Fourth Proportional to 40,039.61, 55,256.78 and 23,046.44

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Solution

The fourth proportional to 40,039.61, 55,256.78 and 23,046.44 is: 31,805.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,039.61 : 55,256.78 = 23,046.44 : x
  2. Step 2: Convert to fraction form
    40,039.61/55,256.78 = 23,046.44/x
  3. Step 3: Cross multiply
    40,039.61x = 55,256.78 × 23,046.44
  4. Step 4: Simplify right side
    40,039.61x = 1,273,471,846.20
  5. Step 5: Solve for x
    x = 1,273,471,846.20/40,039.61
  6. Step 6: Final answer
    x = 31,805.30

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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.