Home / 50,138.23-69,192.68-28,631.48

Finding the Fourth Proportional to 50,138.23, 69,192.68 and 28,631.48

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Solution

The fourth proportional to 50,138.23, 69,192.68 and 28,631.48 is: 39,512.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,138.23 : 69,192.68 = 28,631.48 : x
  2. Step 2: Convert to fraction form
    50,138.23/69,192.68 = 28,631.48/x
  3. Step 3: Cross multiply
    50,138.23x = 69,192.68 × 28,631.48
  4. Step 4: Simplify right side
    50,138.23x = 1,981,088,690.41
  5. Step 5: Solve for x
    x = 1,981,088,690.41/50,138.23
  6. Step 6: Final answer
    x = 39,512.54

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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.