Home / 42,650.44-63,983.22-20,503.96

Finding the Fourth Proportional to 42,650.44, 63,983.22 and 20,503.96

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Solution

The fourth proportional to 42,650.44, 63,983.22 and 20,503.96 is: 30,759.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,650.44 : 63,983.22 = 20,503.96 : x
  2. Step 2: Convert to fraction form
    42,650.44/63,983.22 = 20,503.96/x
  3. Step 3: Cross multiply
    42,650.44x = 63,983.22 × 20,503.96
  4. Step 4: Simplify right side
    42,650.44x = 1,311,909,383.55
  5. Step 5: Solve for x
    x = 1,311,909,383.55/42,650.44
  6. Step 6: Final answer
    x = 30,759.57

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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.