Home / 33,788.40-46,634.32-19,643.28

Finding the Fourth Proportional to 33,788.40, 46,634.32 and 19,643.28

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Solution

The fourth proportional to 33,788.40, 46,634.32 and 19,643.28 is: 27,111.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,788.40 : 46,634.32 = 19,643.28 : x
  2. Step 2: Convert to fraction form
    33,788.40/46,634.32 = 19,643.28/x
  3. Step 3: Cross multiply
    33,788.40x = 46,634.32 × 19,643.28
  4. Step 4: Simplify right side
    33,788.40x = 916,051,005.37
  5. Step 5: Solve for x
    x = 916,051,005.37/33,788.40
  6. Step 6: Final answer
    x = 27,111.41

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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.