Home / 33,993.51-46,917.75-21,721.06

Finding the Fourth Proportional to 33,993.51, 46,917.75 and 21,721.06

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Solution

The fourth proportional to 33,993.51, 46,917.75 and 21,721.06 is: 29,979.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,993.51 : 46,917.75 = 21,721.06 : x
  2. Step 2: Convert to fraction form
    33,993.51/46,917.75 = 21,721.06/x
  3. Step 3: Cross multiply
    33,993.51x = 46,917.75 × 21,721.06
  4. Step 4: Simplify right side
    33,993.51x = 1,019,103,280.74
  5. Step 5: Solve for x
    x = 1,019,103,280.74/33,993.51
  6. Step 6: Final answer
    x = 29,979.35

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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.