Home / 49,884.37-68,837.67-28,371.21

Finding the Fourth Proportional to 49,884.37, 68,837.67 and 28,371.21

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Solution

The fourth proportional to 49,884.37, 68,837.67 and 28,371.21 is: 39,150.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,884.37 : 68,837.67 = 28,371.21 : x
  2. Step 2: Convert to fraction form
    49,884.37/68,837.67 = 28,371.21/x
  3. Step 3: Cross multiply
    49,884.37x = 68,837.67 × 28,371.21
  4. Step 4: Simplify right side
    49,884.37x = 1,953,007,991.48
  5. Step 5: Solve for x
    x = 1,953,007,991.48/49,884.37
  6. Step 6: Final answer
    x = 39,150.70

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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.