Home / 20,468.83-30,703.25-5,677.75

Finding the Fourth Proportional to 20,468.83, 30,703.25 and 5,677.75

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Solution

The fourth proportional to 20,468.83, 30,703.25 and 5,677.75 is: 8,516.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,468.83 : 30,703.25 = 5,677.75 : x
  2. Step 2: Convert to fraction form
    20,468.83/30,703.25 = 5,677.75/x
  3. Step 3: Cross multiply
    20,468.83x = 30,703.25 × 5,677.75
  4. Step 4: Simplify right side
    20,468.83x = 174,325,428.16
  5. Step 5: Solve for x
    x = 174,325,428.16/20,468.83
  6. Step 6: Final answer
    x = 8,516.63

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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.