Home / 36,399.06-50,104.35-31,379.90

Finding the Fourth Proportional to 36,399.06, 50,104.35 and 31,379.90

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Solution

The fourth proportional to 36,399.06, 50,104.35 and 31,379.90 is: 43,195.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,399.06 : 50,104.35 = 31,379.90 : x
  2. Step 2: Convert to fraction form
    36,399.06/50,104.35 = 31,379.90/x
  3. Step 3: Cross multiply
    36,399.06x = 50,104.35 × 31,379.90
  4. Step 4: Simplify right side
    36,399.06x = 1,572,269,242.04
  5. Step 5: Solve for x
    x = 1,572,269,242.04/36,399.06
  6. Step 6: Final answer
    x = 43,195.33

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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.