Home / 36,352.80-50,164.38-20,439.72

Finding the Fourth Proportional to 36,352.80, 50,164.38 and 20,439.72

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Solution

The fourth proportional to 36,352.80, 50,164.38 and 20,439.72 is: 28,205.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,352.80 : 50,164.38 = 20,439.72 : x
  2. Step 2: Convert to fraction form
    36,352.80/50,164.38 = 20,439.72/x
  3. Step 3: Cross multiply
    36,352.80x = 50,164.38 × 20,439.72
  4. Step 4: Simplify right side
    36,352.80x = 1,025,345,881.17
  5. Step 5: Solve for x
    x = 1,025,345,881.17/36,352.80
  6. Step 6: Final answer
    x = 28,205.42

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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.