Home / 37,039.78-55,568.39-21,254.94

Finding the Fourth Proportional to 37,039.78, 55,568.39 and 21,254.94

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Solution

The fourth proportional to 37,039.78, 55,568.39 and 21,254.94 is: 31,887.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,039.78 : 55,568.39 = 21,254.94 : x
  2. Step 2: Convert to fraction form
    37,039.78/55,568.39 = 21,254.94/x
  3. Step 3: Cross multiply
    37,039.78x = 55,568.39 × 21,254.94
  4. Step 4: Simplify right side
    37,039.78x = 1,181,102,795.35
  5. Step 5: Solve for x
    x = 1,181,102,795.35/37,039.78
  6. Step 6: Final answer
    x = 31,887.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.