Home / 31,662.36-43,684.66-18,233.28

Finding the Fourth Proportional to 31,662.36, 43,684.66 and 18,233.28

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Solution

The fourth proportional to 31,662.36, 43,684.66 and 18,233.28 is: 25,156.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,662.36 : 43,684.66 = 18,233.28 : x
  2. Step 2: Convert to fraction form
    31,662.36/43,684.66 = 18,233.28/x
  3. Step 3: Cross multiply
    31,662.36x = 43,684.66 × 18,233.28
  4. Step 4: Simplify right side
    31,662.36x = 796,514,637.48
  5. Step 5: Solve for x
    x = 796,514,637.48/31,662.36
  6. Step 6: Final answer
    x = 25,156.52

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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.