Home / 54,021.43-74,551.44-30,152.55

Finding the Fourth Proportional to 54,021.43, 74,551.44 and 30,152.55

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Solution

The fourth proportional to 54,021.43, 74,551.44 and 30,152.55 is: 41,611.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,021.43 : 74,551.44 = 30,152.55 : x
  2. Step 2: Convert to fraction form
    54,021.43/74,551.44 = 30,152.55/x
  3. Step 3: Cross multiply
    54,021.43x = 74,551.44 × 30,152.55
  4. Step 4: Simplify right side
    54,021.43x = 2,247,916,245.20
  5. Step 5: Solve for x
    x = 2,247,916,245.20/54,021.43
  6. Step 6: Final answer
    x = 41,611.56

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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.