Home / 40,375.14-55,718.19-22,470.36

Finding the Fourth Proportional to 40,375.14, 55,718.19 and 22,470.36

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Solution

The fourth proportional to 40,375.14, 55,718.19 and 22,470.36 is: 31,009.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,375.14 : 55,718.19 = 22,470.36 : x
  2. Step 2: Convert to fraction form
    40,375.14/55,718.19 = 22,470.36/x
  3. Step 3: Cross multiply
    40,375.14x = 55,718.19 × 22,470.36
  4. Step 4: Simplify right side
    40,375.14x = 1,252,007,787.85
  5. Step 5: Solve for x
    x = 1,252,007,787.85/40,375.14
  6. Step 6: Final answer
    x = 31,009.37

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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.