Home / 20,242.27-30,360.64-5,452.08

Finding the Fourth Proportional to 20,242.27, 30,360.64 and 5,452.08

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Solution

The fourth proportional to 20,242.27, 30,360.64 and 5,452.08 is: 8,177.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,242.27 : 30,360.64 = 5,452.08 : x
  2. Step 2: Convert to fraction form
    20,242.27/30,360.64 = 5,452.08/x
  3. Step 3: Cross multiply
    20,242.27x = 30,360.64 × 5,452.08
  4. Step 4: Simplify right side
    20,242.27x = 165,528,520.87
  5. Step 5: Solve for x
    x = 165,528,520.87/20,242.27
  6. Step 6: Final answer
    x = 8,177.37

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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.