Home / 37,112.22-51,213.76-21,798.50

Finding the Fourth Proportional to 37,112.22, 51,213.76 and 21,798.50

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Solution

The fourth proportional to 37,112.22, 51,213.76 and 21,798.50 is: 30,081.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,112.22 : 51,213.76 = 21,798.50 : x
  2. Step 2: Convert to fraction form
    37,112.22/51,213.76 = 21,798.50/x
  3. Step 3: Cross multiply
    37,112.22x = 51,213.76 × 21,798.50
  4. Step 4: Simplify right side
    37,112.22x = 1,116,383,147.36
  5. Step 5: Solve for x
    x = 1,116,383,147.36/37,112.22
  6. Step 6: Final answer
    x = 30,081.28

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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.