Home / 33,340.64-46,005.42-19,190.78

Finding the Fourth Proportional to 33,340.64, 46,005.42 and 19,190.78

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Solution

The fourth proportional to 33,340.64, 46,005.42 and 19,190.78 is: 26,480.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,340.64 : 46,005.42 = 19,190.78 : x
  2. Step 2: Convert to fraction form
    33,340.64/46,005.42 = 19,190.78/x
  3. Step 3: Cross multiply
    33,340.64x = 46,005.42 × 19,190.78
  4. Step 4: Simplify right side
    33,340.64x = 882,879,894.03
  5. Step 5: Solve for x
    x = 882,879,894.03/33,340.64
  6. Step 6: Final answer
    x = 26,480.59

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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.