Home / 56,180.25-84,276.86-18,745.29

Finding the Fourth Proportional to 56,180.25, 84,276.86 and 18,745.29

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Solution

The fourth proportional to 56,180.25, 84,276.86 and 18,745.29 is: 28,120.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,180.25 : 84,276.86 = 18,745.29 : x
  2. Step 2: Convert to fraction form
    56,180.25/84,276.86 = 18,745.29/x
  3. Step 3: Cross multiply
    56,180.25x = 84,276.86 × 18,745.29
  4. Step 4: Simplify right side
    56,180.25x = 1,579,794,391.68
  5. Step 5: Solve for x
    x = 1,579,794,391.68/56,180.25
  6. Step 6: Final answer
    x = 28,120.10

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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.