Home / 43,530.87-65,296.31-28,736.33

Finding the Fourth Proportional to 43,530.87, 65,296.31 and 28,736.33

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Solution

The fourth proportional to 43,530.87, 65,296.31 and 28,736.33 is: 43,104.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,530.87 : 65,296.31 = 28,736.33 : x
  2. Step 2: Convert to fraction form
    43,530.87/65,296.31 = 28,736.33/x
  3. Step 3: Cross multiply
    43,530.87x = 65,296.31 × 28,736.33
  4. Step 4: Simplify right side
    43,530.87x = 1,876,375,841.78
  5. Step 5: Solve for x
    x = 1,876,375,841.78/43,530.87
  6. Step 6: Final answer
    x = 43,104.48

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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.