Home / 54,026.11-81,021.64-17,992.97

Finding the Fourth Proportional to 54,026.11, 81,021.64 and 17,992.97

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Solution

The fourth proportional to 54,026.11, 81,021.64 and 17,992.97 is: 26,983.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,026.11 : 81,021.64 = 17,992.97 : x
  2. Step 2: Convert to fraction form
    54,026.11/81,021.64 = 17,992.97/x
  3. Step 3: Cross multiply
    54,026.11x = 81,021.64 × 17,992.97
  4. Step 4: Simplify right side
    54,026.11x = 1,457,819,859.08
  5. Step 5: Solve for x
    x = 1,457,819,859.08/54,026.11
  6. Step 6: Final answer
    x = 26,983.62

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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.