Home / 51,052.14-76,578.18-19,909.26

Finding the Fourth Proportional to 51,052.14, 76,578.18 and 19,909.26

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Solution

The fourth proportional to 51,052.14, 76,578.18 and 19,909.26 is: 29,863.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,052.14 : 76,578.18 = 19,909.26 : x
  2. Step 2: Convert to fraction form
    51,052.14/76,578.18 = 19,909.26/x
  3. Step 3: Cross multiply
    51,052.14x = 76,578.18 × 19,909.26
  4. Step 4: Simplify right side
    51,052.14x = 1,524,614,895.95
  5. Step 5: Solve for x
    x = 1,524,614,895.95/51,052.14
  6. Step 6: Final answer
    x = 29,863.88

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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.