Home / 36,320.83-50,119.68-20,188.60

Finding the Fourth Proportional to 36,320.83, 50,119.68 and 20,188.60

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Solution

The fourth proportional to 36,320.83, 50,119.68 and 20,188.60 is: 27,858.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,320.83 : 50,119.68 = 20,188.60 : x
  2. Step 2: Convert to fraction form
    36,320.83/50,119.68 = 20,188.60/x
  3. Step 3: Cross multiply
    36,320.83x = 50,119.68 × 20,188.60
  4. Step 4: Simplify right side
    36,320.83x = 1,011,846,171.65
  5. Step 5: Solve for x
    x = 1,011,846,171.65/36,320.83
  6. Step 6: Final answer
    x = 27,858.56

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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.