Home / 50,221.75-75,332.54-20,618.73

Finding the Fourth Proportional to 50,221.75, 75,332.54 and 20,618.73

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Solution

The fourth proportional to 50,221.75, 75,332.54 and 20,618.73 is: 30,928.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,221.75 : 75,332.54 = 20,618.73 : x
  2. Step 2: Convert to fraction form
    50,221.75/75,332.54 = 20,618.73/x
  3. Step 3: Cross multiply
    50,221.75x = 75,332.54 × 20,618.73
  4. Step 4: Simplify right side
    50,221.75x = 1,553,261,302.47
  5. Step 5: Solve for x
    x = 1,553,261,302.47/50,221.75
  6. Step 6: Final answer
    x = 30,928.06

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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.