Home / 57,286.90-86,007.30-33,618.70

Finding the Fourth Proportional to 57,286.90, 86,007.30 and 33,618.70

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Solution

The fourth proportional to 57,286.90, 86,007.30 and 33,618.70 is: 50,473.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,286.90 : 86,007.30 = 33,618.70 : x
  2. Step 2: Convert to fraction form
    57,286.90/86,007.30 = 33,618.70/x
  3. Step 3: Cross multiply
    57,286.90x = 86,007.30 × 33,618.70
  4. Step 4: Simplify right side
    57,286.90x = 2,891,453,616.51
  5. Step 5: Solve for x
    x = 2,891,453,616.51/57,286.90
  6. Step 6: Final answer
    x = 50,473.21

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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.