Home / 50,876.58-70,209.89-28,217.69

Finding the Fourth Proportional to 50,876.58, 70,209.89 and 28,217.69

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Solution

The fourth proportional to 50,876.58, 70,209.89 and 28,217.69 is: 38,940.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,876.58 : 70,209.89 = 28,217.69 : x
  2. Step 2: Convert to fraction form
    50,876.58/70,209.89 = 28,217.69/x
  3. Step 3: Cross multiply
    50,876.58x = 70,209.89 × 28,217.69
  4. Step 4: Simplify right side
    50,876.58x = 1,981,160,910.95
  5. Step 5: Solve for x
    x = 1,981,160,910.95/50,876.58
  6. Step 6: Final answer
    x = 38,940.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.