Home / 20,008.32-30,023.68-8,329.60

Finding the Fourth Proportional to 20,008.32, 30,023.68 and 8,329.60

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Solution

The fourth proportional to 20,008.32, 30,023.68 and 8,329.60 is: 12,499.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,008.32 : 30,023.68 = 8,329.60 : x
  2. Step 2: Convert to fraction form
    20,008.32/30,023.68 = 8,329.60/x
  3. Step 3: Cross multiply
    20,008.32x = 30,023.68 × 8,329.60
  4. Step 4: Simplify right side
    20,008.32x = 250,085,244.93
  5. Step 5: Solve for x
    x = 250,085,244.93/20,008.32
  6. Step 6: Final answer
    x = 12,499.06

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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.