Home / 35,694.75-49,260.72-19,778.85

Finding the Fourth Proportional to 35,694.75, 49,260.72 and 19,778.85

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Solution

The fourth proportional to 35,694.75, 49,260.72 and 19,778.85 is: 27,295.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,694.75 : 49,260.72 = 19,778.85 : x
  2. Step 2: Convert to fraction form
    35,694.75/49,260.72 = 19,778.85/x
  3. Step 3: Cross multiply
    35,694.75x = 49,260.72 × 19,778.85
  4. Step 4: Simplify right side
    35,694.75x = 974,320,391.77
  5. Step 5: Solve for x
    x = 974,320,391.77/35,694.75
  6. Step 6: Final answer
    x = 27,295.90

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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.