Home / 33,231.31-45,847.63-21,301.23

Finding the Fourth Proportional to 33,231.31, 45,847.63 and 21,301.23

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Solution

The fourth proportional to 33,231.31, 45,847.63 and 21,301.23 is: 29,388.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,231.31 : 45,847.63 = 21,301.23 : x
  2. Step 2: Convert to fraction form
    33,231.31/45,847.63 = 21,301.23/x
  3. Step 3: Cross multiply
    33,231.31x = 45,847.63 × 21,301.23
  4. Step 4: Simplify right side
    33,231.31x = 976,610,629.09
  5. Step 5: Solve for x
    x = 976,610,629.09/33,231.31
  6. Step 6: Final answer
    x = 29,388.27

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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.