Home / 50,299.20-75,393.72-20,709.09

Finding the Fourth Proportional to 50,299.20, 75,393.72 and 20,709.09

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Solution

The fourth proportional to 50,299.20, 75,393.72 and 20,709.09 is: 31,040.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,299.20 : 75,393.72 = 20,709.09 : x
  2. Step 2: Convert to fraction form
    50,299.20/75,393.72 = 20,709.09/x
  3. Step 3: Cross multiply
    50,299.20x = 75,393.72 × 20,709.09
  4. Step 4: Simplify right side
    50,299.20x = 1,561,335,332.91
  5. Step 5: Solve for x
    x = 1,561,335,332.91/50,299.20
  6. Step 6: Final answer
    x = 31,040.96

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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.