Home / 36,293.56-50,081.25-20,379.76

Finding the Fourth Proportional to 36,293.56, 50,081.25 and 20,379.76

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Solution

The fourth proportional to 36,293.56, 50,081.25 and 20,379.76 is: 28,121.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,293.56 : 50,081.25 = 20,379.76 : x
  2. Step 2: Convert to fraction form
    36,293.56/50,081.25 = 20,379.76/x
  3. Step 3: Cross multiply
    36,293.56x = 50,081.25 × 20,379.76
  4. Step 4: Simplify right side
    36,293.56x = 1,020,643,855.50
  5. Step 5: Solve for x
    x = 1,020,643,855.50/36,293.56
  6. Step 6: Final answer
    x = 28,121.90

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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.