Home / 36,351.36-50,164.80-20,435.85

Finding the Fourth Proportional to 36,351.36, 50,164.80 and 20,435.85

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Solution

The fourth proportional to 36,351.36, 50,164.80 and 20,435.85 is: 28,201.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,351.36 : 50,164.80 = 20,435.85 : x
  2. Step 2: Convert to fraction form
    36,351.36/50,164.80 = 20,435.85/x
  3. Step 3: Cross multiply
    36,351.36x = 50,164.80 × 20,435.85
  4. Step 4: Simplify right side
    36,351.36x = 1,025,160,328.08
  5. Step 5: Solve for x
    x = 1,025,160,328.08/36,351.36
  6. Step 6: Final answer
    x = 28,201.43

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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.