Home / 40,279.32-55,583.66-22,375.56

Finding the Fourth Proportional to 40,279.32, 55,583.66 and 22,375.56

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Solution

The fourth proportional to 40,279.32, 55,583.66 and 22,375.56 is: 30,877.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,279.32 : 55,583.66 = 22,375.56 : x
  2. Step 2: Convert to fraction form
    40,279.32/55,583.66 = 22,375.56/x
  3. Step 3: Cross multiply
    40,279.32x = 55,583.66 × 22,375.56
  4. Step 4: Simplify right side
    40,279.32x = 1,243,715,519.35
  5. Step 5: Solve for x
    x = 1,243,715,519.35/40,279.32
  6. Step 6: Final answer
    x = 30,877.27

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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.