Home / 20,301.60-30,452.39-5,512.69

Finding the Fourth Proportional to 20,301.60, 30,452.39 and 5,512.69

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Solution

The fourth proportional to 20,301.60, 30,452.39 and 5,512.69 is: 8,269.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,301.60 : 30,452.39 = 5,512.69 : x
  2. Step 2: Convert to fraction form
    20,301.60/30,452.39 = 5,512.69/x
  3. Step 3: Cross multiply
    20,301.60x = 30,452.39 × 5,512.69
  4. Step 4: Simplify right side
    20,301.60x = 167,874,617.00
  5. Step 5: Solve for x
    x = 167,874,617.00/20,301.60
  6. Step 6: Final answer
    x = 8,269.03

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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.