Home / 54,020.52-81,040.29-18,473.48

Finding the Fourth Proportional to 54,020.52, 81,040.29 and 18,473.48

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Solution

The fourth proportional to 54,020.52, 81,040.29 and 18,473.48 is: 27,713.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,020.52 : 81,040.29 = 18,473.48 : x
  2. Step 2: Convert to fraction form
    54,020.52/81,040.29 = 18,473.48/x
  3. Step 3: Cross multiply
    54,020.52x = 81,040.29 × 18,473.48
  4. Step 4: Simplify right side
    54,020.52x = 1,497,096,176.51
  5. Step 5: Solve for x
    x = 1,497,096,176.51/54,020.52
  6. Step 6: Final answer
    x = 27,713.47

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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.