Home / 36,149.94-49,881.69-20,231.46

Finding the Fourth Proportional to 36,149.94, 49,881.69 and 20,231.46

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Solution

The fourth proportional to 36,149.94, 49,881.69 and 20,231.46 is: 27,916.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,149.94 : 49,881.69 = 20,231.46 : x
  2. Step 2: Convert to fraction form
    36,149.94/49,881.69 = 20,231.46/x
  3. Step 3: Cross multiply
    36,149.94x = 49,881.69 × 20,231.46
  4. Step 4: Simplify right side
    36,149.94x = 1,009,179,415.97
  5. Step 5: Solve for x
    x = 1,009,179,415.97/36,149.94
  6. Step 6: Final answer
    x = 27,916.49

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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.