Home / 50,947.80-70,308.24-28,286.43

Finding the Fourth Proportional to 50,947.80, 70,308.24 and 28,286.43

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Solution

The fourth proportional to 50,947.80, 70,308.24 and 28,286.43 is: 39,035.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,947.80 : 70,308.24 = 28,286.43 : x
  2. Step 2: Convert to fraction form
    50,947.80/70,308.24 = 28,286.43/x
  3. Step 3: Cross multiply
    50,947.80x = 70,308.24 × 28,286.43
  4. Step 4: Simplify right side
    50,947.80x = 1,988,769,109.18
  5. Step 5: Solve for x
    x = 1,988,769,109.18/50,947.80
  6. Step 6: Final answer
    x = 39,035.43

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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.