Home / 57,714.39-86,578.91-18,257.25

Finding the Fourth Proportional to 57,714.39, 86,578.91 and 18,257.25

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Solution

The fourth proportional to 57,714.39, 86,578.91 and 18,257.25 is: 27,388.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,714.39 : 86,578.91 = 18,257.25 : x
  2. Step 2: Convert to fraction form
    57,714.39/86,578.91 = 18,257.25/x
  3. Step 3: Cross multiply
    57,714.39x = 86,578.91 × 18,257.25
  4. Step 4: Simplify right side
    57,714.39x = 1,580,692,713.31
  5. Step 5: Solve for x
    x = 1,580,692,713.31/57,714.39
  6. Step 6: Final answer
    x = 27,388.19

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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.