Home / 36,305.22-50,100.90-20,389.32

Finding the Fourth Proportional to 36,305.22, 50,100.90 and 20,389.32

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Solution

The fourth proportional to 36,305.22, 50,100.90 and 20,389.32 is: 28,137.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,305.22 : 50,100.90 = 20,389.32 : x
  2. Step 2: Convert to fraction form
    36,305.22/50,100.90 = 20,389.32/x
  3. Step 3: Cross multiply
    36,305.22x = 50,100.90 × 20,389.32
  4. Step 4: Simplify right side
    36,305.22x = 1,021,523,282.39
  5. Step 5: Solve for x
    x = 1,021,523,282.39/36,305.22
  6. Step 6: Final answer
    x = 28,137.09

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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.