Home / 33,837.90-46,680.66-21,905.10

Finding the Fourth Proportional to 33,837.90, 46,680.66 and 21,905.10

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Solution

The fourth proportional to 33,837.90, 46,680.66 and 21,905.10 is: 30,218.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,837.90 : 46,680.66 = 21,905.10 : x
  2. Step 2: Convert to fraction form
    33,837.90/46,680.66 = 21,905.10/x
  3. Step 3: Cross multiply
    33,837.90x = 46,680.66 × 21,905.10
  4. Step 4: Simplify right side
    33,837.90x = 1,022,544,525.37
  5. Step 5: Solve for x
    x = 1,022,544,525.37/33,837.90
  6. Step 6: Final answer
    x = 30,218.91

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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.