Home / 35,397.09-48,845.97-20,286.54

Finding the Fourth Proportional to 35,397.09, 48,845.97 and 20,286.54

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Solution

The fourth proportional to 35,397.09, 48,845.97 and 20,286.54 is: 27,994.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,397.09 : 48,845.97 = 20,286.54 : x
  2. Step 2: Convert to fraction form
    35,397.09/48,845.97 = 20,286.54/x
  3. Step 3: Cross multiply
    35,397.09x = 48,845.97 × 20,286.54
  4. Step 4: Simplify right side
    35,397.09x = 990,915,724.24
  5. Step 5: Solve for x
    x = 990,915,724.24/35,397.09
  6. Step 6: Final answer
    x = 27,994.27

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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.