Home / 36,896.72-50,917.56-20,130.80

Finding the Fourth Proportional to 36,896.72, 50,917.56 and 20,130.80

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Solution

The fourth proportional to 36,896.72, 50,917.56 and 20,130.80 is: 27,780.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,896.72 : 50,917.56 = 20,130.80 : x
  2. Step 2: Convert to fraction form
    36,896.72/50,917.56 = 20,130.80/x
  3. Step 3: Cross multiply
    36,896.72x = 50,917.56 × 20,130.80
  4. Step 4: Simplify right side
    36,896.72x = 1,025,011,216.85
  5. Step 5: Solve for x
    x = 1,025,011,216.85/36,896.72
  6. Step 6: Final answer
    x = 27,780.55

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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.