Home / 36,016.56-49,703.94-20,100.60

Finding the Fourth Proportional to 36,016.56, 49,703.94 and 20,100.60

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Solution

The fourth proportional to 36,016.56, 49,703.94 and 20,100.60 is: 27,739.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,016.56 : 49,703.94 = 20,100.60 : x
  2. Step 2: Convert to fraction form
    36,016.56/49,703.94 = 20,100.60/x
  3. Step 3: Cross multiply
    36,016.56x = 49,703.94 × 20,100.60
  4. Step 4: Simplify right side
    36,016.56x = 999,079,016.36
  5. Step 5: Solve for x
    x = 999,079,016.36/36,016.56
  6. Step 6: Final answer
    x = 27,739.43

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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.