Home / 54,853.16-82,262.72-19,788.24

Finding the Fourth Proportional to 54,853.16, 82,262.72 and 19,788.24

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Solution

The fourth proportional to 54,853.16, 82,262.72 and 19,788.24 is: 29,676.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,853.16 : 82,262.72 = 19,788.24 : x
  2. Step 2: Convert to fraction form
    54,853.16/82,262.72 = 19,788.24/x
  3. Step 3: Cross multiply
    54,853.16x = 82,262.72 × 19,788.24
  4. Step 4: Simplify right side
    54,853.16x = 1,627,834,446.41
  5. Step 5: Solve for x
    x = 1,627,834,446.41/54,853.16
  6. Step 6: Final answer
    x = 29,676.22

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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.