Home / 37,105.21-51,204.07-21,186.55

Finding the Fourth Proportional to 37,105.21, 51,204.07 and 21,186.55

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Solution

The fourth proportional to 37,105.21, 51,204.07 and 21,186.55 is: 29,236.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,105.21 : 51,204.07 = 21,186.55 : x
  2. Step 2: Convert to fraction form
    37,105.21/51,204.07 = 21,186.55/x
  3. Step 3: Cross multiply
    37,105.21x = 51,204.07 × 21,186.55
  4. Step 4: Simplify right side
    37,105.21x = 1,084,837,589.26
  5. Step 5: Solve for x
    x = 1,084,837,589.26/37,105.21
  6. Step 6: Final answer
    x = 29,236.80

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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.