Home / 49,753.86-74,630.62-20,171.63

Finding the Fourth Proportional to 49,753.86, 74,630.62 and 20,171.63

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Solution

The fourth proportional to 49,753.86, 74,630.62 and 20,171.63 is: 30,257.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,753.86 : 74,630.62 = 20,171.63 : x
  2. Step 2: Convert to fraction form
    49,753.86/74,630.62 = 20,171.63/x
  3. Step 3: Cross multiply
    49,753.86x = 74,630.62 × 20,171.63
  4. Step 4: Simplify right side
    49,753.86x = 1,505,420,829.73
  5. Step 5: Solve for x
    x = 1,505,420,829.73/49,753.86
  6. Step 6: Final answer
    x = 30,257.37

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1.5x scale

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.