Home / 37,105.20-51,208.74-21,190.86

Finding the Fourth Proportional to 37,105.20, 51,208.74 and 21,190.86

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Solution

The fourth proportional to 37,105.20, 51,208.74 and 21,190.86 is: 29,245.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,105.20 : 51,208.74 = 21,190.86 : x
  2. Step 2: Convert to fraction form
    37,105.20/51,208.74 = 21,190.86/x
  3. Step 3: Cross multiply
    37,105.20x = 51,208.74 × 21,190.86
  4. Step 4: Simplify right side
    37,105.20x = 1,085,157,240.12
  5. Step 5: Solve for x
    x = 1,085,157,240.12/37,105.20
  6. Step 6: Final answer
    x = 29,245.42

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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.