Home / 40,631.68-60,910.62-18,432.98

Finding the Fourth Proportional to 40,631.68, 60,910.62 and 18,432.98

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Solution

The fourth proportional to 40,631.68, 60,910.62 and 18,432.98 is: 27,632.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,631.68 : 60,910.62 = 18,432.98 : x
  2. Step 2: Convert to fraction form
    40,631.68/60,910.62 = 18,432.98/x
  3. Step 3: Cross multiply
    40,631.68x = 60,910.62 × 18,432.98
  4. Step 4: Simplify right side
    40,631.68x = 1,122,764,240.25
  5. Step 5: Solve for x
    x = 1,122,764,240.25/40,631.68
  6. Step 6: Final answer
    x = 27,632.73

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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.