Home / 33,781.78-46,614.09-19,436.16

Finding the Fourth Proportional to 33,781.78, 46,614.09 and 19,436.16

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Solution

The fourth proportional to 33,781.78, 46,614.09 and 19,436.16 is: 26,819.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,781.78 : 46,614.09 = 19,436.16 : x
  2. Step 2: Convert to fraction form
    33,781.78/46,614.09 = 19,436.16/x
  3. Step 3: Cross multiply
    33,781.78x = 46,614.09 × 19,436.16
  4. Step 4: Simplify right side
    33,781.78x = 905,999,159.18
  5. Step 5: Solve for x
    x = 905,999,159.18/33,781.78
  6. Step 6: Final answer
    x = 26,819.16

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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.