Home / 50,440.20-75,589.02-20,839.56

Finding the Fourth Proportional to 50,440.20, 75,589.02 and 20,839.56

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Solution

The fourth proportional to 50,440.20, 75,589.02 and 20,839.56 is: 31,229.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,440.20 : 75,589.02 = 20,839.56 : x
  2. Step 2: Convert to fraction form
    50,440.20/75,589.02 = 20,839.56/x
  3. Step 3: Cross multiply
    50,440.20x = 75,589.02 × 20,839.56
  4. Step 4: Simplify right side
    50,440.20x = 1,575,241,917.63
  5. Step 5: Solve for x
    x = 1,575,241,917.63/50,440.20
  6. Step 6: Final answer
    x = 31,229.89

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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.