Home / 20,403.38-30,601.48-5,608.73

Finding the Fourth Proportional to 20,403.38, 30,601.48 and 5,608.73

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Solution

The fourth proportional to 20,403.38, 30,601.48 and 5,608.73 is: 8,412.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,403.38 : 30,601.48 = 5,608.73 : x
  2. Step 2: Convert to fraction form
    20,403.38/30,601.48 = 5,608.73/x
  3. Step 3: Cross multiply
    20,403.38x = 30,601.48 × 5,608.73
  4. Step 4: Simplify right side
    20,403.38x = 171,635,438.92
  5. Step 5: Solve for x
    x = 171,635,438.92/20,403.38
  6. Step 6: Final answer
    x = 8,412.11

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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.