Home / 36,352.72-50,161.28-20,434.10

Finding the Fourth Proportional to 36,352.72, 50,161.28 and 20,434.10

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Solution

The fourth proportional to 36,352.72, 50,161.28 and 20,434.10 is: 28,195.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,352.72 : 50,161.28 = 20,434.10 : x
  2. Step 2: Convert to fraction form
    36,352.72/50,161.28 = 20,434.10/x
  3. Step 3: Cross multiply
    36,352.72x = 50,161.28 × 20,434.10
  4. Step 4: Simplify right side
    36,352.72x = 1,025,000,399.75
  5. Step 5: Solve for x
    x = 1,025,000,399.75/36,352.72
  6. Step 6: Final answer
    x = 28,195.97

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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.