Home / 40,279.44-55,584.48-22,374

Finding the Fourth Proportional to 40,279.44, 55,584.48 and 22,374

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Solution

The fourth proportional to 40,279.44, 55,584.48 and 22,374 is: 30,875.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,279.44 : 55,584.48 = 22,374 : x
  2. Step 2: Convert to fraction form
    40,279.44/55,584.48 = 22,374/x
  3. Step 3: Cross multiply
    40,279.44x = 55,584.48 × 22,374
  4. Step 4: Simplify right side
    40,279.44x = 1,243,647,155.52
  5. Step 5: Solve for x
    x = 1,243,647,155.52/40,279.44
  6. Step 6: Final answer
    x = 30,875.48

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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.