Home / 54,027.06-81,048.69-18,960.54

Finding the Fourth Proportional to 54,027.06, 81,048.69 and 18,960.54

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Solution

The fourth proportional to 54,027.06, 81,048.69 and 18,960.54 is: 28,443.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,027.06 : 81,048.69 = 18,960.54 : x
  2. Step 2: Convert to fraction form
    54,027.06/81,048.69 = 18,960.54/x
  3. Step 3: Cross multiply
    54,027.06x = 81,048.69 × 18,960.54
  4. Step 4: Simplify right side
    54,027.06x = 1,536,726,928.69
  5. Step 5: Solve for x
    x = 1,536,726,928.69/54,027.06
  6. Step 6: Final answer
    x = 28,443.65

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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.