Home / 37,101.20-51,203.22-21,186.86

Finding the Fourth Proportional to 37,101.20, 51,203.22 and 21,186.86

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Solution

The fourth proportional to 37,101.20, 51,203.22 and 21,186.86 is: 29,239.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,101.20 : 51,203.22 = 21,186.86 : x
  2. Step 2: Convert to fraction form
    37,101.20/51,203.22 = 21,186.86/x
  3. Step 3: Cross multiply
    37,101.20x = 51,203.22 × 21,186.86
  4. Step 4: Simplify right side
    37,101.20x = 1,084,835,453.69
  5. Step 5: Solve for x
    x = 1,084,835,453.69/37,101.20
  6. Step 6: Final answer
    x = 29,239.90

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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.