Home / 40,173.78-55,440.82-22,025.56

Finding the Fourth Proportional to 40,173.78, 55,440.82 and 22,025.56

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Solution

The fourth proportional to 40,173.78, 55,440.82 and 22,025.56 is: 30,395.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,173.78 : 55,440.82 = 22,025.56 : x
  2. Step 2: Convert to fraction form
    40,173.78/55,440.82 = 22,025.56/x
  3. Step 3: Cross multiply
    40,173.78x = 55,440.82 × 22,025.56
  4. Step 4: Simplify right side
    40,173.78x = 1,221,115,107.36
  5. Step 5: Solve for x
    x = 1,221,115,107.36/40,173.78
  6. Step 6: Final answer
    x = 30,395.82

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1.5x scale

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.