Home / 51,037.97-76,578.84-17,739.86

Finding the Fourth Proportional to 51,037.97, 76,578.84 and 17,739.86

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Solution

The fourth proportional to 51,037.97, 76,578.84 and 17,739.86 is: 26,617.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,037.97 : 76,578.84 = 17,739.86 : x
  2. Step 2: Convert to fraction form
    51,037.97/76,578.84 = 17,739.86/x
  3. Step 3: Cross multiply
    51,037.97x = 76,578.84 × 17,739.86
  4. Step 4: Simplify right side
    51,037.97x = 1,358,497,517.67
  5. Step 5: Solve for x
    x = 1,358,497,517.67/51,037.97
  6. Step 6: Final answer
    x = 26,617.39

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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.