Home / 39,067.46-53,912.79-21,162.26

Finding the Fourth Proportional to 39,067.46, 53,912.79 and 21,162.26

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Solution

The fourth proportional to 39,067.46, 53,912.79 and 21,162.26 is: 29,203.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,067.46 : 53,912.79 = 21,162.26 : x
  2. Step 2: Convert to fraction form
    39,067.46/53,912.79 = 21,162.26/x
  3. Step 3: Cross multiply
    39,067.46x = 53,912.79 × 21,162.26
  4. Step 4: Simplify right side
    39,067.46x = 1,140,916,479.31
  5. Step 5: Solve for x
    x = 1,140,916,479.31/39,067.46
  6. Step 6: Final answer
    x = 29,203.75

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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.