Home / 49,028.58-67,664.01-28,891.71

Finding the Fourth Proportional to 49,028.58, 67,664.01 and 28,891.71

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Solution

The fourth proportional to 49,028.58, 67,664.01 and 28,891.71 is: 39,873.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,028.58 : 67,664.01 = 28,891.71 : x
  2. Step 2: Convert to fraction form
    49,028.58/67,664.01 = 28,891.71/x
  3. Step 3: Cross multiply
    49,028.58x = 67,664.01 × 28,891.71
  4. Step 4: Simplify right side
    49,028.58x = 1,954,928,954.36
  5. Step 5: Solve for x
    x = 1,954,928,954.36/49,028.58
  6. Step 6: Final answer
    x = 39,873.25

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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.