Home / 51,942.83-71,664.26-31,778.69

Finding the Fourth Proportional to 51,942.83, 71,664.26 and 31,778.69

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Solution

The fourth proportional to 51,942.83, 71,664.26 and 31,778.69 is: 43,844.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,942.83 : 71,664.26 = 31,778.69 : x
  2. Step 2: Convert to fraction form
    51,942.83/71,664.26 = 31,778.69/x
  3. Step 3: Cross multiply
    51,942.83x = 71,664.26 × 31,778.69
  4. Step 4: Simplify right side
    51,942.83x = 2,277,395,785.40
  5. Step 5: Solve for x
    x = 2,277,395,785.40/51,942.83
  6. Step 6: Final answer
    x = 43,844.28

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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.