Home / 51,789.54-77,673.07-18,511.91

Finding the Fourth Proportional to 51,789.54, 77,673.07 and 18,511.91

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Solution

The fourth proportional to 51,789.54, 77,673.07 and 18,511.91 is: 27,763.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,789.54 : 77,673.07 = 18,511.91 : x
  2. Step 2: Convert to fraction form
    51,789.54/77,673.07 = 18,511.91/x
  3. Step 3: Cross multiply
    51,789.54x = 77,673.07 × 18,511.91
  4. Step 4: Simplify right side
    51,789.54x = 1,437,876,400.34
  5. Step 5: Solve for x
    x = 1,437,876,400.34/51,789.54
  6. Step 6: Final answer
    x = 27,763.84

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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.