Home / 20,578.26-30,867.12-4,996.02

Finding the Fourth Proportional to 20,578.26, 30,867.12 and 4,996.02

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Solution

The fourth proportional to 20,578.26, 30,867.12 and 4,996.02 is: 7,493.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,578.26 : 30,867.12 = 4,996.02 : x
  2. Step 2: Convert to fraction form
    20,578.26/30,867.12 = 4,996.02/x
  3. Step 3: Cross multiply
    20,578.26x = 30,867.12 × 4,996.02
  4. Step 4: Simplify right side
    20,578.26x = 154,212,748.86
  5. Step 5: Solve for x
    x = 154,212,748.86/20,578.26
  6. Step 6: Final answer
    x = 7,493.96

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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.