Home / 55,100.54-82,656.29-21,843.56

Finding the Fourth Proportional to 55,100.54, 82,656.29 and 21,843.56

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Solution

The fourth proportional to 55,100.54, 82,656.29 and 21,843.56 is: 32,767.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,100.54 : 82,656.29 = 21,843.56 : x
  2. Step 2: Convert to fraction form
    55,100.54/82,656.29 = 21,843.56/x
  3. Step 3: Cross multiply
    55,100.54x = 82,656.29 × 21,843.56
  4. Step 4: Simplify right side
    55,100.54x = 1,805,507,727.42
  5. Step 5: Solve for x
    x = 1,805,507,727.42/55,100.54
  6. Step 6: Final answer
    x = 32,767.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.