Home / 33,872-46,743.36-18,968.32

Finding the Fourth Proportional to 33,872, 46,743.36 and 18,968.32

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Solution

The fourth proportional to 33,872, 46,743.36 and 18,968.32 is: 26,176.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,872 : 46,743.36 = 18,968.32 : x
  2. Step 2: Convert to fraction form
    33,872/46,743.36 = 18,968.32/x
  3. Step 3: Cross multiply
    33,872x = 46,743.36 × 18,968.32
  4. Step 4: Simplify right side
    33,872x = 886,643,010.36
  5. Step 5: Solve for x
    x = 886,643,010.36/33,872
  6. Step 6: Final answer
    x = 26,176.28

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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.