Home / 50,907.14-76,390.47-21,322.49

Finding the Fourth Proportional to 50,907.14, 76,390.47 and 21,322.49

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Solution

The fourth proportional to 50,907.14, 76,390.47 and 21,322.49 is: 31,996.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,907.14 : 76,390.47 = 21,322.49 : x
  2. Step 2: Convert to fraction form
    50,907.14/76,390.47 = 21,322.49/x
  3. Step 3: Cross multiply
    50,907.14x = 76,390.47 × 21,322.49
  4. Step 4: Simplify right side
    50,907.14x = 1,628,834,650.72
  5. Step 5: Solve for x
    x = 1,628,834,650.72/50,907.14
  6. Step 6: Final answer
    x = 31,996.20

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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.