Home / 33,788.88-46,633.32-21,230.64

Finding the Fourth Proportional to 33,788.88, 46,633.32 and 21,230.64

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Solution

The fourth proportional to 33,788.88, 46,633.32 and 21,230.64 is: 29,301.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,788.88 : 46,633.32 = 21,230.64 : x
  2. Step 2: Convert to fraction form
    33,788.88/46,633.32 = 21,230.64/x
  3. Step 3: Cross multiply
    33,788.88x = 46,633.32 × 21,230.64
  4. Step 4: Simplify right side
    33,788.88x = 990,055,228.92
  5. Step 5: Solve for x
    x = 990,055,228.92/33,788.88
  6. Step 6: Final answer
    x = 29,301.21

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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.