Home / 36,308.28-50,105.28-20,178.25

Finding the Fourth Proportional to 36,308.28, 50,105.28 and 20,178.25

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Solution

The fourth proportional to 36,308.28, 50,105.28 and 20,178.25 is: 27,845.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,308.28 : 50,105.28 = 20,178.25 : x
  2. Step 2: Convert to fraction form
    36,308.28/50,105.28 = 20,178.25/x
  3. Step 3: Cross multiply
    36,308.28x = 50,105.28 × 20,178.25
  4. Step 4: Simplify right side
    36,308.28x = 1,011,036,816.57
  5. Step 5: Solve for x
    x = 1,011,036,816.57/36,308.28
  6. Step 6: Final answer
    x = 27,845.90

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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.