Home / 33,558.77-46,309.93-20,122.09

Finding the Fourth Proportional to 33,558.77, 46,309.93 and 20,122.09

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Solution

The fourth proportional to 33,558.77, 46,309.93 and 20,122.09 is: 27,767.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,558.77 : 46,309.93 = 20,122.09 : x
  2. Step 2: Convert to fraction form
    33,558.77/46,309.93 = 20,122.09/x
  3. Step 3: Cross multiply
    33,558.77x = 46,309.93 × 20,122.09
  4. Step 4: Simplify right side
    33,558.77x = 931,852,413.27
  5. Step 5: Solve for x
    x = 931,852,413.27/33,558.77
  6. Step 6: Final answer
    x = 27,767.77

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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.