Home / 50,157.20-75,239.89-20,575.29

Finding the Fourth Proportional to 50,157.20, 75,239.89 and 20,575.29

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Solution

The fourth proportional to 50,157.20, 75,239.89 and 20,575.29 is: 30,864.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,157.20 : 75,239.89 = 20,575.29 : x
  2. Step 2: Convert to fraction form
    50,157.20/75,239.89 = 20,575.29/x
  3. Step 3: Cross multiply
    50,157.20x = 75,239.89 × 20,575.29
  4. Step 4: Simplify right side
    50,157.20x = 1,548,082,180.12
  5. Step 5: Solve for x
    x = 1,548,082,180.12/50,157.20
  6. Step 6: Final answer
    x = 30,864.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.