Home / 33,419.69-46,119.17-19,991.51

Finding the Fourth Proportional to 33,419.69, 46,119.17 and 19,991.51

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Solution

The fourth proportional to 33,419.69, 46,119.17 and 19,991.51 is: 27,588.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,419.69 : 46,119.17 = 19,991.51 : x
  2. Step 2: Convert to fraction form
    33,419.69/46,119.17 = 19,991.51/x
  3. Step 3: Cross multiply
    33,419.69x = 46,119.17 × 19,991.51
  4. Step 4: Simplify right side
    33,419.69x = 921,991,848.25
  5. Step 5: Solve for x
    x = 921,991,848.25/33,419.69
  6. Step 6: Final answer
    x = 27,588.28

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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.