Home / 37,121.22-51,236.69-21,215.03

Finding the Fourth Proportional to 37,121.22, 51,236.69 and 21,215.03

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Solution

The fourth proportional to 37,121.22, 51,236.69 and 21,215.03 is: 29,282.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,121.22 : 51,236.69 = 21,215.03 : x
  2. Step 2: Convert to fraction form
    37,121.22/51,236.69 = 21,215.03/x
  3. Step 3: Cross multiply
    37,121.22x = 51,236.69 × 21,215.03
  4. Step 4: Simplify right side
    37,121.22x = 1,086,987,553.19
  5. Step 5: Solve for x
    x = 1,086,987,553.19/37,121.22
  6. Step 6: Final answer
    x = 29,282.11

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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.