Home / 36,840.60-55,273.86-19,310.04

Finding the Fourth Proportional to 36,840.60, 55,273.86 and 19,310.04

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Solution

The fourth proportional to 36,840.60, 55,273.86 and 19,310.04 is: 28,971.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,840.60 : 55,273.86 = 19,310.04 : x
  2. Step 2: Convert to fraction form
    36,840.60/55,273.86 = 19,310.04/x
  3. Step 3: Cross multiply
    36,840.60x = 55,273.86 × 19,310.04
  4. Step 4: Simplify right side
    36,840.60x = 1,067,340,447.55
  5. Step 5: Solve for x
    x = 1,067,340,447.55/36,840.60
  6. Step 6: Final answer
    x = 28,971.85

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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.