Home / 50,636.76-75,961.20-21,074.58

Finding the Fourth Proportional to 50,636.76, 75,961.20 and 21,074.58

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Solution

The fourth proportional to 50,636.76, 75,961.20 and 21,074.58 is: 31,614.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,636.76 : 75,961.20 = 21,074.58 : x
  2. Step 2: Convert to fraction form
    50,636.76/75,961.20 = 21,074.58/x
  3. Step 3: Cross multiply
    50,636.76x = 75,961.20 × 21,074.58
  4. Step 4: Simplify right side
    50,636.76x = 1,600,850,386.30
  5. Step 5: Solve for x
    x = 1,600,850,386.30/50,636.76
  6. Step 6: Final answer
    x = 31,614.39

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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.