Home / 54,243.42-81,365.55-19,183.06

Finding the Fourth Proportional to 54,243.42, 81,365.55 and 19,183.06

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Solution

The fourth proportional to 54,243.42, 81,365.55 and 19,183.06 is: 28,774.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,243.42 : 81,365.55 = 19,183.06 : x
  2. Step 2: Convert to fraction form
    54,243.42/81,365.55 = 19,183.06/x
  3. Step 3: Cross multiply
    54,243.42x = 81,365.55 × 19,183.06
  4. Step 4: Simplify right side
    54,243.42x = 1,560,840,227.58
  5. Step 5: Solve for x
    x = 1,560,840,227.58/54,243.42
  6. Step 6: Final answer
    x = 28,774.74

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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.