Home / 50,772.24-76,177.56-21,187.68

Finding the Fourth Proportional to 50,772.24, 76,177.56 and 21,187.68

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Solution

The fourth proportional to 50,772.24, 76,177.56 and 21,187.68 is: 31,789.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,772.24 : 76,177.56 = 21,187.68 : x
  2. Step 2: Convert to fraction form
    50,772.24/76,177.56 = 21,187.68/x
  3. Step 3: Cross multiply
    50,772.24x = 76,177.56 × 21,187.68
  4. Step 4: Simplify right side
    50,772.24x = 1,614,025,764.46
  5. Step 5: Solve for x
    x = 1,614,025,764.46/50,772.24
  6. Step 6: Final answer
    x = 31,789.53

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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.