Home / 51,968.26-77,933.04-18,679.24

Finding the Fourth Proportional to 51,968.26, 77,933.04 and 18,679.24

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Solution

The fourth proportional to 51,968.26, 77,933.04 and 18,679.24 is: 28,011.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,968.26 : 77,933.04 = 18,679.24 : x
  2. Step 2: Convert to fraction form
    51,968.26/77,933.04 = 18,679.24/x
  3. Step 3: Cross multiply
    51,968.26x = 77,933.04 × 18,679.24
  4. Step 4: Simplify right side
    51,968.26x = 1,455,729,958.09
  5. Step 5: Solve for x
    x = 1,455,729,958.09/51,968.26
  6. Step 6: Final answer
    x = 28,011.90

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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.