Home / 54,553.44-75,286.73-30,681.53

Finding the Fourth Proportional to 54,553.44, 75,286.73 and 30,681.53

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Solution

The fourth proportional to 54,553.44, 75,286.73 and 30,681.53 is: 42,342.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,553.44 : 75,286.73 = 30,681.53 : x
  2. Step 2: Convert to fraction form
    54,553.44/75,286.73 = 30,681.53/x
  3. Step 3: Cross multiply
    54,553.44x = 75,286.73 × 30,681.53
  4. Step 4: Simplify right side
    54,553.44x = 2,309,912,065.10
  5. Step 5: Solve for x
    x = 2,309,912,065.10/54,553.44
  6. Step 6: Final answer
    x = 42,342.19

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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.