Home / 49,813.44-68,738.40-28,588.20

Finding the Fourth Proportional to 49,813.44, 68,738.40 and 28,588.20

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Solution

The fourth proportional to 49,813.44, 68,738.40 and 28,588.20 is: 39,449.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,813.44 : 68,738.40 = 28,588.20 : x
  2. Step 2: Convert to fraction form
    49,813.44/68,738.40 = 28,588.20/x
  3. Step 3: Cross multiply
    49,813.44x = 68,738.40 × 28,588.20
  4. Step 4: Simplify right side
    49,813.44x = 1,965,107,126.88
  5. Step 5: Solve for x
    x = 1,965,107,126.88/49,813.44
  6. Step 6: Final answer
    x = 39,449.34

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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.