Home / 54,890.06-82,314.43-21,591.92

Finding the Fourth Proportional to 54,890.06, 82,314.43 and 21,591.92

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Solution

The fourth proportional to 54,890.06, 82,314.43 and 21,591.92 is: 32,379.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,890.06 : 82,314.43 = 21,591.92 : x
  2. Step 2: Convert to fraction form
    54,890.06/82,314.43 = 21,591.92/x
  3. Step 3: Cross multiply
    54,890.06x = 82,314.43 × 21,591.92
  4. Step 4: Simplify right side
    54,890.06x = 1,777,326,276.19
  5. Step 5: Solve for x
    x = 1,777,326,276.19/54,890.06
  6. Step 6: Final answer
    x = 32,379.75

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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.