Home / 40,234.14-60,334.92-12,145.50

Finding the Fourth Proportional to 40,234.14, 60,334.92 and 12,145.50

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Solution

The fourth proportional to 40,234.14, 60,334.92 and 12,145.50 is: 18,213.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,234.14 : 60,334.92 = 12,145.50 : x
  2. Step 2: Convert to fraction form
    40,234.14/60,334.92 = 12,145.50/x
  3. Step 3: Cross multiply
    40,234.14x = 60,334.92 × 12,145.50
  4. Step 4: Simplify right side
    40,234.14x = 732,797,770.86
  5. Step 5: Solve for x
    x = 732,797,770.86/40,234.14
  6. Step 6: Final answer
    x = 18,213.33

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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.