Home / 35,496.22-48,984.83-20,391.80

Finding the Fourth Proportional to 35,496.22, 48,984.83 and 20,391.80

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Solution

The fourth proportional to 35,496.22, 48,984.83 and 20,391.80 is: 28,140.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,496.22 : 48,984.83 = 20,391.80 : x
  2. Step 2: Convert to fraction form
    35,496.22/48,984.83 = 20,391.80/x
  3. Step 3: Cross multiply
    35,496.22x = 48,984.83 × 20,391.80
  4. Step 4: Simplify right side
    35,496.22x = 998,888,856.39
  5. Step 5: Solve for x
    x = 998,888,856.39/35,496.22
  6. Step 6: Final answer
    x = 28,140.71

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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.