Home / 20,468.82-30,703.23-5,677.74

Finding the Fourth Proportional to 20,468.82, 30,703.23 and 5,677.74

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Solution

The fourth proportional to 20,468.82, 30,703.23 and 5,677.74 is: 8,516.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,468.82 : 30,703.23 = 5,677.74 : x
  2. Step 2: Convert to fraction form
    20,468.82/30,703.23 = 5,677.74/x
  3. Step 3: Cross multiply
    20,468.82x = 30,703.23 × 5,677.74
  4. Step 4: Simplify right side
    20,468.82x = 174,324,957.10
  5. Step 5: Solve for x
    x = 174,324,957.10/20,468.82
  6. Step 6: Final answer
    x = 8,516.61

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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.