Home / 20,446.25-30,666.83-5,454.54

Finding the Fourth Proportional to 20,446.25, 30,666.83 and 5,454.54

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Solution

The fourth proportional to 20,446.25, 30,666.83 and 5,454.54 is: 8,181.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,446.25 : 30,666.83 = 5,454.54 : x
  2. Step 2: Convert to fraction form
    20,446.25/30,666.83 = 5,454.54/x
  3. Step 3: Cross multiply
    20,446.25x = 30,666.83 × 5,454.54
  4. Step 4: Simplify right side
    20,446.25x = 167,273,423.64
  5. Step 5: Solve for x
    x = 167,273,423.64/20,446.25
  6. Step 6: Final answer
    x = 8,181.13

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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.