Home / 54,255.96-74,873.97-30,382.43

Finding the Fourth Proportional to 54,255.96, 74,873.97 and 30,382.43

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Solution

The fourth proportional to 54,255.96, 74,873.97 and 30,382.43 is: 41,928.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,255.96 : 74,873.97 = 30,382.43 : x
  2. Step 2: Convert to fraction form
    54,255.96/74,873.97 = 30,382.43/x
  3. Step 3: Cross multiply
    54,255.96x = 74,873.97 × 30,382.43
  4. Step 4: Simplify right side
    54,255.96x = 2,274,852,777.98
  5. Step 5: Solve for x
    x = 2,274,852,777.98/54,255.96
  6. Step 6: Final answer
    x = 41,928.16

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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.