Home / 40,321.12-60,481.44-15,697.12

Finding the Fourth Proportional to 40,321.12, 60,481.44 and 15,697.12

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Solution

The fourth proportional to 40,321.12, 60,481.44 and 15,697.12 is: 23,545.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,321.12 : 60,481.44 = 15,697.12 : x
  2. Step 2: Convert to fraction form
    40,321.12/60,481.44 = 15,697.12/x
  3. Step 3: Cross multiply
    40,321.12x = 60,481.44 × 15,697.12
  4. Step 4: Simplify right side
    40,321.12x = 949,384,421.45
  5. Step 5: Solve for x
    x = 949,384,421.45/40,321.12
  6. Step 6: Final answer
    x = 23,545.59

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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.