Home / 50,042.82-68,979.68-39,415.62

Finding the Fourth Proportional to 50,042.82, 68,979.68 and 39,415.62

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Solution

The fourth proportional to 50,042.82, 68,979.68 and 39,415.62 is: 54,331.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,042.82 : 68,979.68 = 39,415.62 : x
  2. Step 2: Convert to fraction form
    50,042.82/68,979.68 = 39,415.62/x
  3. Step 3: Cross multiply
    50,042.82x = 68,979.68 × 39,415.62
  4. Step 4: Simplify right side
    50,042.82x = 2,718,876,854.60
  5. Step 5: Solve for x
    x = 2,718,876,854.60/50,042.82
  6. Step 6: Final answer
    x = 54,331.01

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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.