Home / 54,853.08-82,262.61-19,788.18

Finding the Fourth Proportional to 54,853.08, 82,262.61 and 19,788.18

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Solution

The fourth proportional to 54,853.08, 82,262.61 and 19,788.18 is: 29,676.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,853.08 : 82,262.61 = 19,788.18 : x
  2. Step 2: Convert to fraction form
    54,853.08/82,262.61 = 19,788.18/x
  3. Step 3: Cross multiply
    54,853.08x = 82,262.61 × 19,788.18
  4. Step 4: Simplify right side
    54,853.08x = 1,627,827,333.95
  5. Step 5: Solve for x
    x = 1,627,827,333.95/54,853.08
  6. Step 6: Final answer
    x = 29,676.13

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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.