Home / 36,293.58-50,083.83-20,378.70

Finding the Fourth Proportional to 36,293.58, 50,083.83 and 20,378.70

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Solution

The fourth proportional to 36,293.58, 50,083.83 and 20,378.70 is: 28,121.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,293.58 : 50,083.83 = 20,378.70 : x
  2. Step 2: Convert to fraction form
    36,293.58/50,083.83 = 20,378.70/x
  3. Step 3: Cross multiply
    36,293.58x = 50,083.83 × 20,378.70
  4. Step 4: Simplify right side
    36,293.58x = 1,020,643,346.42
  5. Step 5: Solve for x
    x = 1,020,643,346.42/36,293.58
  6. Step 6: Final answer
    x = 28,121.87

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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.