Home / 20,344.23-30,516.33-5,553.54

Finding the Fourth Proportional to 20,344.23, 30,516.33 and 5,553.54

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Solution

The fourth proportional to 20,344.23, 30,516.33 and 5,553.54 is: 8,330.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,344.23 : 30,516.33 = 5,553.54 : x
  2. Step 2: Convert to fraction form
    20,344.23/30,516.33 = 5,553.54/x
  3. Step 3: Cross multiply
    20,344.23x = 30,516.33 × 5,553.54
  4. Step 4: Simplify right side
    20,344.23x = 169,473,520.61
  5. Step 5: Solve for x
    x = 169,473,520.61/20,344.23
  6. Step 6: Final answer
    x = 8,330.30

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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.