Home / 46,418.77-69,619.92-21,112.36

Finding the Fourth Proportional to 46,418.77, 69,619.92 and 21,112.36

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Solution

The fourth proportional to 46,418.77, 69,619.92 and 21,112.36 is: 31,664.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,418.77 : 69,619.92 = 21,112.36 : x
  2. Step 2: Convert to fraction form
    46,418.77/69,619.92 = 21,112.36/x
  3. Step 3: Cross multiply
    46,418.77x = 69,619.92 × 21,112.36
  4. Step 4: Simplify right side
    46,418.77x = 1,469,840,814.21
  5. Step 5: Solve for x
    x = 1,469,840,814.21/46,418.77
  6. Step 6: Final answer
    x = 31,664.79

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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.