Home / 36,313.88-50,122.68-20,403.46

Finding the Fourth Proportional to 36,313.88, 50,122.68 and 20,403.46

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Solution

The fourth proportional to 36,313.88, 50,122.68 and 20,403.46 is: 28,162.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,313.88 : 50,122.68 = 20,403.46 : x
  2. Step 2: Convert to fraction form
    36,313.88/50,122.68 = 20,403.46/x
  3. Step 3: Cross multiply
    36,313.88x = 50,122.68 × 20,403.46
  4. Step 4: Simplify right side
    36,313.88x = 1,022,675,845.86
  5. Step 5: Solve for x
    x = 1,022,675,845.86/36,313.88
  6. Step 6: Final answer
    x = 28,162.12

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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.