Home / 36,355.92-50,170.32-20,440.32

Finding the Fourth Proportional to 36,355.92, 50,170.32 and 20,440.32

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Solution

The fourth proportional to 36,355.92, 50,170.32 and 20,440.32 is: 28,207.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,355.92 : 50,170.32 = 20,440.32 : x
  2. Step 2: Convert to fraction form
    36,355.92/50,170.32 = 20,440.32/x
  3. Step 3: Cross multiply
    36,355.92x = 50,170.32 × 20,440.32
  4. Step 4: Simplify right side
    36,355.92x = 1,025,497,395.30
  5. Step 5: Solve for x
    x = 1,025,497,395.30/36,355.92
  6. Step 6: Final answer
    x = 28,207.16

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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.