Home / 51,129.44-76,729.19-17,849.51

Finding the Fourth Proportional to 51,129.44, 76,729.19 and 17,849.51

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Solution

The fourth proportional to 51,129.44, 76,729.19 and 17,849.51 is: 26,786.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,129.44 : 76,729.19 = 17,849.51 : x
  2. Step 2: Convert to fraction form
    51,129.44/76,729.19 = 17,849.51/x
  3. Step 3: Cross multiply
    51,129.44x = 76,729.19 × 17,849.51
  4. Step 4: Simplify right side
    51,129.44x = 1,369,578,196.36
  5. Step 5: Solve for x
    x = 1,369,578,196.36/51,129.44
  6. Step 6: Final answer
    x = 26,786.49

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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.