Home / 51,890.91-77,757.06-30,789.39

Finding the Fourth Proportional to 51,890.91, 77,757.06 and 30,789.39

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Solution

The fourth proportional to 51,890.91, 77,757.06 and 30,789.39 is: 46,137.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,890.91 : 77,757.06 = 30,789.39 : x
  2. Step 2: Convert to fraction form
    51,890.91/77,757.06 = 30,789.39/x
  3. Step 3: Cross multiply
    51,890.91x = 77,757.06 × 30,789.39
  4. Step 4: Simplify right side
    51,890.91x = 2,394,092,445.59
  5. Step 5: Solve for x
    x = 2,394,092,445.59/51,890.91
  6. Step 6: Final answer
    x = 46,137.03

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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.