Home / 20,234.48-30,349.80-5,442.84

Finding the Fourth Proportional to 20,234.48, 30,349.80 and 5,442.84

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Solution

The fourth proportional to 20,234.48, 30,349.80 and 5,442.84 is: 8,163.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,234.48 : 30,349.80 = 5,442.84 : x
  2. Step 2: Convert to fraction form
    20,234.48/30,349.80 = 5,442.84/x
  3. Step 3: Cross multiply
    20,234.48x = 30,349.80 × 5,442.84
  4. Step 4: Simplify right side
    20,234.48x = 165,189,105.43
  5. Step 5: Solve for x
    x = 165,189,105.43/20,234.48
  6. Step 6: Final answer
    x = 8,163.74

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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.