Home / 36,381.86-50,201.44-20,470.22

Finding the Fourth Proportional to 36,381.86, 50,201.44 and 20,470.22

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Solution

The fourth proportional to 36,381.86, 50,201.44 and 20,470.22 is: 28,245.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,381.86 : 50,201.44 = 20,470.22 : x
  2. Step 2: Convert to fraction form
    36,381.86/50,201.44 = 20,470.22/x
  3. Step 3: Cross multiply
    36,381.86x = 50,201.44 × 20,470.22
  4. Step 4: Simplify right side
    36,381.86x = 1,027,634,521.12
  5. Step 5: Solve for x
    x = 1,027,634,521.12/36,381.86
  6. Step 6: Final answer
    x = 28,245.79

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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.