Home / 36,323.94-50,128.32-20,408.07

Finding the Fourth Proportional to 36,323.94, 50,128.32 and 20,408.07

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Solution

The fourth proportional to 36,323.94, 50,128.32 and 20,408.07 is: 28,163.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,323.94 : 50,128.32 = 20,408.07 : x
  2. Step 2: Convert to fraction form
    36,323.94/50,128.32 = 20,408.07/x
  3. Step 3: Cross multiply
    36,323.94x = 50,128.32 × 20,408.07
  4. Step 4: Simplify right side
    36,323.94x = 1,023,022,263.54
  5. Step 5: Solve for x
    x = 1,023,022,263.54/36,323.94
  6. Step 6: Final answer
    x = 28,163.86

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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.