Home / 33,896.91-46,779.30-18,789.90

Finding the Fourth Proportional to 33,896.91, 46,779.30 and 18,789.90

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Solution

The fourth proportional to 33,896.91, 46,779.30 and 18,789.90 is: 25,930.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,896.91 : 46,779.30 = 18,789.90 : x
  2. Step 2: Convert to fraction form
    33,896.91/46,779.30 = 18,789.90/x
  3. Step 3: Cross multiply
    33,896.91x = 46,779.30 × 18,789.90
  4. Step 4: Simplify right side
    33,896.91x = 878,978,369.07
  5. Step 5: Solve for x
    x = 878,978,369.07/33,896.91
  6. Step 6: Final answer
    x = 25,930.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.