Home / 36,379.80-50,206.32-20,465.28

Finding the Fourth Proportional to 36,379.80, 50,206.32 and 20,465.28

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Solution

The fourth proportional to 36,379.80, 50,206.32 and 20,465.28 is: 28,243.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,379.80 : 50,206.32 = 20,465.28 : x
  2. Step 2: Convert to fraction form
    36,379.80/50,206.32 = 20,465.28/x
  3. Step 3: Cross multiply
    36,379.80x = 50,206.32 × 20,465.28
  4. Step 4: Simplify right side
    36,379.80x = 1,027,486,396.57
  5. Step 5: Solve for x
    x = 1,027,486,396.57/36,379.80
  6. Step 6: Final answer
    x = 28,243.32

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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.