Home / 40,278.89-55,584.86-22,375.58

Finding the Fourth Proportional to 40,278.89, 55,584.86 and 22,375.58

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Solution

The fourth proportional to 40,278.89, 55,584.86 and 22,375.58 is: 30,878.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,278.89 : 55,584.86 = 22,375.58 : x
  2. Step 2: Convert to fraction form
    40,278.89/55,584.86 = 22,375.58/x
  3. Step 3: Cross multiply
    40,278.89x = 55,584.86 × 22,375.58
  4. Step 4: Simplify right side
    40,278.89x = 1,243,743,091.92
  5. Step 5: Solve for x
    x = 1,243,743,091.92/40,278.89
  6. Step 6: Final answer
    x = 30,878.28

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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.