Home / 54,382.03-81,540.23-24,390.80

Finding the Fourth Proportional to 54,382.03, 81,540.23 and 24,390.80

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Solution

The fourth proportional to 54,382.03, 81,540.23 and 24,390.80 is: 36,571.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,382.03 : 81,540.23 = 24,390.80 : x
  2. Step 2: Convert to fraction form
    54,382.03/81,540.23 = 24,390.80/x
  3. Step 3: Cross multiply
    54,382.03x = 81,540.23 × 24,390.80
  4. Step 4: Simplify right side
    54,382.03x = 1,988,831,441.88
  5. Step 5: Solve for x
    x = 1,988,831,441.88/54,382.03
  6. Step 6: Final answer
    x = 36,571.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.