Home / 54,018.73-81,028.09-14,575.84

Finding the Fourth Proportional to 54,018.73, 81,028.09 and 14,575.84

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Solution

The fourth proportional to 54,018.73, 81,028.09 and 14,575.84 is: 21,863.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,018.73 : 81,028.09 = 14,575.84 : x
  2. Step 2: Convert to fraction form
    54,018.73/81,028.09 = 14,575.84/x
  3. Step 3: Cross multiply
    54,018.73x = 81,028.09 × 14,575.84
  4. Step 4: Simplify right side
    54,018.73x = 1,181,052,475.35
  5. Step 5: Solve for x
    x = 1,181,052,475.35/54,018.73
  6. Step 6: Final answer
    x = 21,863.76

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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.