Home / 33,918.78-46,810.79-18,816.30

Finding the Fourth Proportional to 33,918.78, 46,810.79 and 18,816.30

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Solution

The fourth proportional to 33,918.78, 46,810.79 and 18,816.30 is: 25,968.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,918.78 : 46,810.79 = 18,816.30 : x
  2. Step 2: Convert to fraction form
    33,918.78/46,810.79 = 18,816.30/x
  3. Step 3: Cross multiply
    33,918.78x = 46,810.79 × 18,816.30
  4. Step 4: Simplify right side
    33,918.78x = 880,805,867.88
  5. Step 5: Solve for x
    x = 880,805,867.88/33,918.78
  6. Step 6: Final answer
    x = 25,968.09

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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.