Home / 47,365.58-65,375.46-31,235.79

Finding the Fourth Proportional to 47,365.58, 65,375.46 and 31,235.79

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Solution

The fourth proportional to 47,365.58, 65,375.46 and 31,235.79 is: 43,112.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,365.58 : 65,375.46 = 31,235.79 : x
  2. Step 2: Convert to fraction form
    47,365.58/65,375.46 = 31,235.79/x
  3. Step 3: Cross multiply
    47,365.58x = 65,375.46 × 31,235.79
  4. Step 4: Simplify right side
    47,365.58x = 2,042,053,894.56
  5. Step 5: Solve for x
    x = 2,042,053,894.56/47,365.58
  6. Step 6: Final answer
    x = 43,112.62

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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.