Home / 40,278.24-55,583.82-22,375.80

Finding the Fourth Proportional to 40,278.24, 55,583.82 and 22,375.80

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Solution

The fourth proportional to 40,278.24, 55,583.82 and 22,375.80 is: 30,878.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,278.24 : 55,583.82 = 22,375.80 : x
  2. Step 2: Convert to fraction form
    40,278.24/55,583.82 = 22,375.80/x
  3. Step 3: Cross multiply
    40,278.24x = 55,583.82 × 22,375.80
  4. Step 4: Simplify right side
    40,278.24x = 1,243,732,439.56
  5. Step 5: Solve for x
    x = 1,243,732,439.56/40,278.24
  6. Step 6: Final answer
    x = 30,878.52

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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.