Home / 33,991.60-46,889.40-21,394.48

Finding the Fourth Proportional to 33,991.60, 46,889.40 and 21,394.48

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Solution

The fourth proportional to 33,991.60, 46,889.40 and 21,394.48 is: 29,512.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,991.60 : 46,889.40 = 21,394.48 : x
  2. Step 2: Convert to fraction form
    33,991.60/46,889.40 = 21,394.48/x
  3. Step 3: Cross multiply
    33,991.60x = 46,889.40 × 21,394.48
  4. Step 4: Simplify right side
    33,991.60x = 1,003,174,330.51
  5. Step 5: Solve for x
    x = 1,003,174,330.51/33,991.60
  6. Step 6: Final answer
    x = 29,512.42

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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.