Home / 36,394.22-50,219.96-20,478.33

Finding the Fourth Proportional to 36,394.22, 50,219.96 and 20,478.33

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Solution

The fourth proportional to 36,394.22, 50,219.96 and 20,478.33 is: 28,257.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,394.22 : 50,219.96 = 20,478.33 : x
  2. Step 2: Convert to fraction form
    36,394.22/50,219.96 = 20,478.33/x
  3. Step 3: Cross multiply
    36,394.22x = 50,219.96 × 20,478.33
  4. Step 4: Simplify right side
    36,394.22x = 1,028,420,913.47
  5. Step 5: Solve for x
    x = 1,028,420,913.47/36,394.22
  6. Step 6: Final answer
    x = 28,257.81

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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.