Home / 20,367.47-30,553.32-5,576.39

Finding the Fourth Proportional to 20,367.47, 30,553.32 and 5,576.39

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Solution

The fourth proportional to 20,367.47, 30,553.32 and 5,576.39 is: 8,365.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,367.47 : 30,553.32 = 5,576.39 : x
  2. Step 2: Convert to fraction form
    20,367.47/30,553.32 = 5,576.39/x
  3. Step 3: Cross multiply
    20,367.47x = 30,553.32 × 5,576.39
  4. Step 4: Simplify right side
    20,367.47x = 170,377,151.73
  5. Step 5: Solve for x
    x = 170,377,151.73/20,367.47
  6. Step 6: Final answer
    x = 8,365.16

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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.