Home / 36,904.32-50,928.12-20,137.68

Finding the Fourth Proportional to 36,904.32, 50,928.12 and 20,137.68

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Solution

The fourth proportional to 36,904.32, 50,928.12 and 20,137.68 is: 27,790.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,904.32 : 50,928.12 = 20,137.68 : x
  2. Step 2: Convert to fraction form
    36,904.32/50,928.12 = 20,137.68/x
  3. Step 3: Cross multiply
    36,904.32x = 50,928.12 × 20,137.68
  4. Step 4: Simplify right side
    36,904.32x = 1,025,574,183.56
  5. Step 5: Solve for x
    x = 1,025,574,183.56/36,904.32
  6. Step 6: Final answer
    x = 27,790.08

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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.