Home / 36,909.36-50,936.04-20,996.10

Finding the Fourth Proportional to 36,909.36, 50,936.04 and 20,996.10

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Solution

The fourth proportional to 36,909.36, 50,936.04 and 20,996.10 is: 28,975.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,909.36 : 50,936.04 = 20,996.10 : x
  2. Step 2: Convert to fraction form
    36,909.36/50,936.04 = 20,996.10/x
  3. Step 3: Cross multiply
    36,909.36x = 50,936.04 × 20,996.10
  4. Step 4: Simplify right side
    36,909.36x = 1,069,458,189.44
  5. Step 5: Solve for x
    x = 1,069,458,189.44/36,909.36
  6. Step 6: Final answer
    x = 28,975.26

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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.