Home / 73,635.48-110,455.65-20,331.47

Finding the Fourth Proportional to 73,635.48, 110,455.65 and 20,331.47

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Solution

The fourth proportional to 73,635.48, 110,455.65 and 20,331.47 is: 30,497.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,635.48 : 110,455.65 = 20,331.47 : x
  2. Step 2: Convert to fraction form
    73,635.48/110,455.65 = 20,331.47/x
  3. Step 3: Cross multiply
    73,635.48x = 110,455.65 × 20,331.47
  4. Step 4: Simplify right side
    73,635.48x = 2,245,726,010.44
  5. Step 5: Solve for x
    x = 2,245,726,010.44/73,635.48
  6. Step 6: Final answer
    x = 30,497.88

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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.