Home / 36,518.37-50,379.33-21,403.38

Finding the Fourth Proportional to 36,518.37, 50,379.33 and 21,403.38

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Solution

The fourth proportional to 36,518.37, 50,379.33 and 21,403.38 is: 29,527.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,518.37 : 50,379.33 = 21,403.38 : x
  2. Step 2: Convert to fraction form
    36,518.37/50,379.33 = 21,403.38/x
  3. Step 3: Cross multiply
    36,518.37x = 50,379.33 × 21,403.38
  4. Step 4: Simplify right side
    36,518.37x = 1,078,287,944.14
  5. Step 5: Solve for x
    x = 1,078,287,944.14/36,518.37
  6. Step 6: Final answer
    x = 29,527.27

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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.