Home / 20,636.18-30,944.96-5,841.60

Finding the Fourth Proportional to 20,636.18, 30,944.96 and 5,841.60

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Solution

The fourth proportional to 20,636.18, 30,944.96 and 5,841.60 is: 8,759.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,636.18 : 30,944.96 = 5,841.60 : x
  2. Step 2: Convert to fraction form
    20,636.18/30,944.96 = 5,841.60/x
  3. Step 3: Cross multiply
    20,636.18x = 30,944.96 × 5,841.60
  4. Step 4: Simplify right side
    20,636.18x = 180,768,078.34
  5. Step 5: Solve for x
    x = 180,768,078.34/20,636.18
  6. Step 6: Final answer
    x = 8,759.76

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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.