Home / 36,912.14-50,936.88-20,996.26

Finding the Fourth Proportional to 36,912.14, 50,936.88 and 20,996.26

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Solution

The fourth proportional to 36,912.14, 50,936.88 and 20,996.26 is: 28,973.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,912.14 : 50,936.88 = 20,996.26 : x
  2. Step 2: Convert to fraction form
    36,912.14/50,936.88 = 20,996.26/x
  3. Step 3: Cross multiply
    36,912.14x = 50,936.88 × 20,996.26
  4. Step 4: Simplify right side
    36,912.14x = 1,069,483,976.07
  5. Step 5: Solve for x
    x = 1,069,483,976.07/36,912.14
  6. Step 6: Final answer
    x = 28,973.77

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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.