Home / 37,131.95-51,223.97-21,212.21

Finding the Fourth Proportional to 37,131.95, 51,223.97 and 21,212.21

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Solution

The fourth proportional to 37,131.95, 51,223.97 and 21,212.21 is: 29,262.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,131.95 : 51,223.97 = 21,212.21 : x
  2. Step 2: Convert to fraction form
    37,131.95/51,223.97 = 21,212.21/x
  3. Step 3: Cross multiply
    37,131.95x = 51,223.97 × 21,212.21
  4. Step 4: Simplify right side
    37,131.95x = 1,086,573,246.49
  5. Step 5: Solve for x
    x = 1,086,573,246.49/37,131.95
  6. Step 6: Final answer
    x = 29,262.49

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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.