Home / 36,310.48-50,104.56-20,396.68

Finding the Fourth Proportional to 36,310.48, 50,104.56 and 20,396.68

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Solution

The fourth proportional to 36,310.48, 50,104.56 and 20,396.68 is: 28,145.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,310.48 : 50,104.56 = 20,396.68 : x
  2. Step 2: Convert to fraction form
    36,310.48/50,104.56 = 20,396.68/x
  3. Step 3: Cross multiply
    36,310.48x = 50,104.56 × 20,396.68
  4. Step 4: Simplify right side
    36,310.48x = 1,021,966,676.86
  5. Step 5: Solve for x
    x = 1,021,966,676.86/36,310.48
  6. Step 6: Final answer
    x = 28,145.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.