Home / 45,976.52-68,991.33-19,320.41

Finding the Fourth Proportional to 45,976.52, 68,991.33 and 19,320.41

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Solution

The fourth proportional to 45,976.52, 68,991.33 and 19,320.41 is: 28,991.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,976.52 : 68,991.33 = 19,320.41 : x
  2. Step 2: Convert to fraction form
    45,976.52/68,991.33 = 19,320.41/x
  3. Step 3: Cross multiply
    45,976.52x = 68,991.33 × 19,320.41
  4. Step 4: Simplify right side
    45,976.52x = 1,332,940,782.05
  5. Step 5: Solve for x
    x = 1,332,940,782.05/45,976.52
  6. Step 6: Final answer
    x = 28,991.77

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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.