Home / 51,455.52-77,163.60-18,169.36

Finding the Fourth Proportional to 51,455.52, 77,163.60 and 18,169.36

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Solution

The fourth proportional to 51,455.52, 77,163.60 and 18,169.36 is: 27,247.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,455.52 : 77,163.60 = 18,169.36 : x
  2. Step 2: Convert to fraction form
    51,455.52/77,163.60 = 18,169.36/x
  3. Step 3: Cross multiply
    51,455.52x = 77,163.60 × 18,169.36
  4. Step 4: Simplify right side
    51,455.52x = 1,402,013,227.30
  5. Step 5: Solve for x
    x = 1,402,013,227.30/51,455.52
  6. Step 6: Final answer
    x = 27,247.09

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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.