Home / 50,021.82-69,020.58-28,511.16

Finding the Fourth Proportional to 50,021.82, 69,020.58 and 28,511.16

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Solution

The fourth proportional to 50,021.82, 69,020.58 and 28,511.16 is: 39,339.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,021.82 : 69,020.58 = 28,511.16 : x
  2. Step 2: Convert to fraction form
    50,021.82/69,020.58 = 28,511.16/x
  3. Step 3: Cross multiply
    50,021.82x = 69,020.58 × 28,511.16
  4. Step 4: Simplify right side
    50,021.82x = 1,967,856,799.67
  5. Step 5: Solve for x
    x = 1,967,856,799.67/50,021.82
  6. Step 6: Final answer
    x = 39,339.97

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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.