Home / 49,857.77-68,800.19-28,057.23

Finding the Fourth Proportional to 49,857.77, 68,800.19 and 28,057.23

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Solution

The fourth proportional to 49,857.77, 68,800.19 and 28,057.23 is: 38,716.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,857.77 : 68,800.19 = 28,057.23 : x
  2. Step 2: Convert to fraction form
    49,857.77/68,800.19 = 28,057.23/x
  3. Step 3: Cross multiply
    49,857.77x = 68,800.19 × 28,057.23
  4. Step 4: Simplify right side
    49,857.77x = 1,930,342,614.59
  5. Step 5: Solve for x
    x = 1,930,342,614.59/49,857.77
  6. Step 6: Final answer
    x = 38,716.98

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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.