Home / 50,912.40-76,398.35-21,327.75

Finding the Fourth Proportional to 50,912.40, 76,398.35 and 21,327.75

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Solution

The fourth proportional to 50,912.40, 76,398.35 and 21,327.75 is: 32,004.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,912.40 : 76,398.35 = 21,327.75 : x
  2. Step 2: Convert to fraction form
    50,912.40/76,398.35 = 21,327.75/x
  3. Step 3: Cross multiply
    50,912.40x = 76,398.35 × 21,327.75
  4. Step 4: Simplify right side
    50,912.40x = 1,629,404,802.57
  5. Step 5: Solve for x
    x = 1,629,404,802.57/50,912.40
  6. Step 6: Final answer
    x = 32,004.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.