Home / 35,970.33-49,640.39-20,057.84

Finding the Fourth Proportional to 35,970.33, 49,640.39 and 20,057.84

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Solution

The fourth proportional to 35,970.33, 49,640.39 and 20,057.84 is: 27,680.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,970.33 : 49,640.39 = 20,057.84 : x
  2. Step 2: Convert to fraction form
    35,970.33/49,640.39 = 20,057.84/x
  3. Step 3: Cross multiply
    35,970.33x = 49,640.39 × 20,057.84
  4. Step 4: Simplify right side
    35,970.33x = 995,679,305.09
  5. Step 5: Solve for x
    x = 995,679,305.09/35,970.33
  6. Step 6: Final answer
    x = 27,680.57

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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.