Home / 51,163.63-76,745.32-19,576.81

Finding the Fourth Proportional to 51,163.63, 76,745.32 and 19,576.81

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Solution

The fourth proportional to 51,163.63, 76,745.32 and 19,576.81 is: 29,365.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,163.63 : 76,745.32 = 19,576.81 : x
  2. Step 2: Convert to fraction form
    51,163.63/76,745.32 = 19,576.81/x
  3. Step 3: Cross multiply
    51,163.63x = 76,745.32 × 19,576.81
  4. Step 4: Simplify right side
    51,163.63x = 1,502,428,548.03
  5. Step 5: Solve for x
    x = 1,502,428,548.03/51,163.63
  6. Step 6: Final answer
    x = 29,365.17

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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.