Home / 36,395.22-50,221.34-20,479.33

Finding the Fourth Proportional to 36,395.22, 50,221.34 and 20,479.33

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Solution

The fourth proportional to 36,395.22, 50,221.34 and 20,479.33 is: 28,259.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,395.22 : 50,221.34 = 20,479.33 : x
  2. Step 2: Convert to fraction form
    36,395.22/50,221.34 = 20,479.33/x
  3. Step 3: Cross multiply
    36,395.22x = 50,221.34 × 20,479.33
  4. Step 4: Simplify right side
    36,395.22x = 1,028,499,394.90
  5. Step 5: Solve for x
    x = 1,028,499,394.90/36,395.22
  6. Step 6: Final answer
    x = 28,259.19

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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.