Home / 40,868.78-56,400.57-22,963.73

Finding the Fourth Proportional to 40,868.78, 56,400.57 and 22,963.73

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Solution

The fourth proportional to 40,868.78, 56,400.57 and 22,963.73 is: 31,690.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,868.78 : 56,400.57 = 22,963.73 : x
  2. Step 2: Convert to fraction form
    40,868.78/56,400.57 = 22,963.73/x
  3. Step 3: Cross multiply
    40,868.78x = 56,400.57 × 22,963.73
  4. Step 4: Simplify right side
    40,868.78x = 1,295,167,179.32
  5. Step 5: Solve for x
    x = 1,295,167,179.32/40,868.78
  6. Step 6: Final answer
    x = 31,690.87

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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.