Home / 40,127.94-55,375.86-22,222.56

Finding the Fourth Proportional to 40,127.94, 55,375.86 and 22,222.56

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Solution

The fourth proportional to 40,127.94, 55,375.86 and 22,222.56 is: 30,666.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,127.94 : 55,375.86 = 22,222.56 : x
  2. Step 2: Convert to fraction form
    40,127.94/55,375.86 = 22,222.56/x
  3. Step 3: Cross multiply
    40,127.94x = 55,375.86 × 22,222.56
  4. Step 4: Simplify right side
    40,127.94x = 1,230,593,371.40
  5. Step 5: Solve for x
    x = 1,230,593,371.40/40,127.94
  6. Step 6: Final answer
    x = 30,666.75

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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.