Home / 51,276.44-76,922.80-21,694.50

Finding the Fourth Proportional to 51,276.44, 76,922.80 and 21,694.50

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Solution

The fourth proportional to 51,276.44, 76,922.80 and 21,694.50 is: 32,545.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,276.44 : 76,922.80 = 21,694.50 : x
  2. Step 2: Convert to fraction form
    51,276.44/76,922.80 = 21,694.50/x
  3. Step 3: Cross multiply
    51,276.44x = 76,922.80 × 21,694.50
  4. Step 4: Simplify right side
    51,276.44x = 1,668,801,630.36
  5. Step 5: Solve for x
    x = 1,668,801,630.36/51,276.44
  6. Step 6: Final answer
    x = 32,545.19

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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.