Home / 35,640.75-49,184.24-20,736.75

Finding the Fourth Proportional to 35,640.75, 49,184.24 and 20,736.75

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Solution

The fourth proportional to 35,640.75, 49,184.24 and 20,736.75 is: 28,616.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,640.75 : 49,184.24 = 20,736.75 : x
  2. Step 2: Convert to fraction form
    35,640.75/49,184.24 = 20,736.75/x
  3. Step 3: Cross multiply
    35,640.75x = 49,184.24 × 20,736.75
  4. Step 4: Simplify right side
    35,640.75x = 1,019,921,185.14
  5. Step 5: Solve for x
    x = 1,019,921,185.14/35,640.75
  6. Step 6: Final answer
    x = 28,616.72

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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.