Home / 54,717.28-75,505.31-30,849.82

Finding the Fourth Proportional to 54,717.28, 75,505.31 and 30,849.82

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Solution

The fourth proportional to 54,717.28, 75,505.31 and 30,849.82 is: 42,570.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,717.28 : 75,505.31 = 30,849.82 : x
  2. Step 2: Convert to fraction form
    54,717.28/75,505.31 = 30,849.82/x
  3. Step 3: Cross multiply
    54,717.28x = 75,505.31 × 30,849.82
  4. Step 4: Simplify right side
    54,717.28x = 2,329,325,222.54
  5. Step 5: Solve for x
    x = 2,329,325,222.54/54,717.28
  6. Step 6: Final answer
    x = 42,570.19

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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.