Home / 33,820.26-46,643.32-20,388.57

Finding the Fourth Proportional to 33,820.26, 46,643.32 and 20,388.57

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Solution

The fourth proportional to 33,820.26, 46,643.32 and 20,388.57 is: 28,118.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,820.26 : 46,643.32 = 20,388.57 : x
  2. Step 2: Convert to fraction form
    33,820.26/46,643.32 = 20,388.57/x
  3. Step 3: Cross multiply
    33,820.26x = 46,643.32 × 20,388.57
  4. Step 4: Simplify right side
    33,820.26x = 950,990,594.85
  5. Step 5: Solve for x
    x = 950,990,594.85/33,820.26
  6. Step 6: Final answer
    x = 28,118.96

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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.