Home / 20,393.92-30,589.38-5,601.57

Finding the Fourth Proportional to 20,393.92, 30,589.38 and 5,601.57

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Solution

The fourth proportional to 20,393.92, 30,589.38 and 5,601.57 is: 8,401.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,393.92 : 30,589.38 = 5,601.57 : x
  2. Step 2: Convert to fraction form
    20,393.92/30,589.38 = 5,601.57/x
  3. Step 3: Cross multiply
    20,393.92x = 30,589.38 × 5,601.57
  4. Step 4: Simplify right side
    20,393.92x = 171,348,553.33
  5. Step 5: Solve for x
    x = 171,348,553.33/20,393.92
  6. Step 6: Final answer
    x = 8,401.94

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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.