Home / 50,135.36-69,190.88-28,631.66

Finding the Fourth Proportional to 50,135.36, 69,190.88 and 28,631.66

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Solution

The fourth proportional to 50,135.36, 69,190.88 and 28,631.66 is: 39,514.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,135.36 : 69,190.88 = 28,631.66 : x
  2. Step 2: Convert to fraction form
    50,135.36/69,190.88 = 28,631.66/x
  3. Step 3: Cross multiply
    50,135.36x = 69,190.88 × 28,631.66
  4. Step 4: Simplify right side
    50,135.36x = 1,981,049,262.15
  5. Step 5: Solve for x
    x = 1,981,049,262.15/50,135.36
  6. Step 6: Final answer
    x = 39,514.02

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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.