Home / 49,434.39-74,150.96-11,994.75

Finding the Fourth Proportional to 49,434.39, 74,150.96 and 11,994.75

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Solution

The fourth proportional to 49,434.39, 74,150.96 and 11,994.75 is: 17,991.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,434.39 : 74,150.96 = 11,994.75 : x
  2. Step 2: Convert to fraction form
    49,434.39/74,150.96 = 11,994.75/x
  3. Step 3: Cross multiply
    49,434.39x = 74,150.96 × 11,994.75
  4. Step 4: Simplify right side
    49,434.39x = 889,422,167.49
  5. Step 5: Solve for x
    x = 889,422,167.49/49,434.39
  6. Step 6: Final answer
    x = 17,991.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.