Home / 54,561.82-81,844.26-15,121.84

Finding the Fourth Proportional to 54,561.82, 81,844.26 and 15,121.84

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Solution

The fourth proportional to 54,561.82, 81,844.26 and 15,121.84 is: 22,683.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,561.82 : 81,844.26 = 15,121.84 : x
  2. Step 2: Convert to fraction form
    54,561.82/81,844.26 = 15,121.84/x
  3. Step 3: Cross multiply
    54,561.82x = 81,844.26 × 15,121.84
  4. Step 4: Simplify right side
    54,561.82x = 1,237,635,804.64
  5. Step 5: Solve for x
    x = 1,237,635,804.64/54,561.82
  6. Step 6: Final answer
    x = 22,683.18

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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.