Home / 51,874.58-71,584.80-31,732.28

Finding the Fourth Proportional to 51,874.58, 71,584.80 and 31,732.28

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Solution

The fourth proportional to 51,874.58, 71,584.80 and 31,732.28 is: 43,789.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,874.58 : 71,584.80 = 31,732.28 : x
  2. Step 2: Convert to fraction form
    51,874.58/71,584.80 = 31,732.28/x
  3. Step 3: Cross multiply
    51,874.58x = 71,584.80 × 31,732.28
  4. Step 4: Simplify right side
    51,874.58x = 2,271,548,917.34
  5. Step 5: Solve for x
    x = 2,271,548,917.34/51,874.58
  6. Step 6: Final answer
    x = 43,789.25

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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.