Home / 36,016.48-49,713.36-20,912.80

Finding the Fourth Proportional to 36,016.48, 49,713.36 and 20,912.80

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Solution

The fourth proportional to 36,016.48, 49,713.36 and 20,912.80 is: 28,865.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,016.48 : 49,713.36 = 20,912.80 : x
  2. Step 2: Convert to fraction form
    36,016.48/49,713.36 = 20,912.80/x
  3. Step 3: Cross multiply
    36,016.48x = 49,713.36 × 20,912.80
  4. Step 4: Simplify right side
    36,016.48x = 1,039,645,555.01
  5. Step 5: Solve for x
    x = 1,039,645,555.01/36,016.48
  6. Step 6: Final answer
    x = 28,865.83

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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.