Home / 33,868.25-46,739.87-20,439.27

Finding the Fourth Proportional to 33,868.25, 46,739.87 and 20,439.27

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Solution

The fourth proportional to 33,868.25, 46,739.87 and 20,439.27 is: 28,207.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,868.25 : 46,739.87 = 20,439.27 : x
  2. Step 2: Convert to fraction form
    33,868.25/46,739.87 = 20,439.27/x
  3. Step 3: Cross multiply
    33,868.25x = 46,739.87 × 20,439.27
  4. Step 4: Simplify right side
    33,868.25x = 955,328,720.50
  5. Step 5: Solve for x
    x = 955,328,720.50/33,868.25
  6. Step 6: Final answer
    x = 28,207.21

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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.