Home / 50,635.97-69,877.64-28,279.97

Finding the Fourth Proportional to 50,635.97, 69,877.64 and 28,279.97

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Solution

The fourth proportional to 50,635.97, 69,877.64 and 28,279.97 is: 39,026.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,635.97 : 69,877.64 = 28,279.97 : x
  2. Step 2: Convert to fraction form
    50,635.97/69,877.64 = 28,279.97/x
  3. Step 3: Cross multiply
    50,635.97x = 69,877.64 × 28,279.97
  4. Step 4: Simplify right side
    50,635.97x = 1,976,137,387.15
  5. Step 5: Solve for x
    x = 1,976,137,387.15/50,635.97
  6. Step 6: Final answer
    x = 39,026.36

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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.