Home / 43,755.25-65,636.33-21,556.52

Finding the Fourth Proportional to 43,755.25, 65,636.33 and 21,556.52

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Solution

The fourth proportional to 43,755.25, 65,636.33 and 21,556.52 is: 32,336.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,755.25 : 65,636.33 = 21,556.52 : x
  2. Step 2: Convert to fraction form
    43,755.25/65,636.33 = 21,556.52/x
  3. Step 3: Cross multiply
    43,755.25x = 65,636.33 × 21,556.52
  4. Step 4: Simplify right side
    43,755.25x = 1,414,890,424.41
  5. Step 5: Solve for x
    x = 1,414,890,424.41/43,755.25
  6. Step 6: Final answer
    x = 32,336.47

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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.