Home / 40,375.40-55,717.50-22,470.41

Finding the Fourth Proportional to 40,375.40, 55,717.50 and 22,470.41

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Solution

The fourth proportional to 40,375.40, 55,717.50 and 22,470.41 is: 31,008.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,375.40 : 55,717.50 = 22,470.41 : x
  2. Step 2: Convert to fraction form
    40,375.40/55,717.50 = 22,470.41/x
  3. Step 3: Cross multiply
    40,375.40x = 55,717.50 × 22,470.41
  4. Step 4: Simplify right side
    40,375.40x = 1,251,994,997.94
  5. Step 5: Solve for x
    x = 1,251,994,997.94/40,375.40
  6. Step 6: Final answer
    x = 31,008.86

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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.