Home / 55,021.56-75,928.58-29,871.06

Finding the Fourth Proportional to 55,021.56, 75,928.58 and 29,871.06

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Solution

The fourth proportional to 55,021.56, 75,928.58 and 29,871.06 is: 41,221.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,021.56 : 75,928.58 = 29,871.06 : x
  2. Step 2: Convert to fraction form
    55,021.56/75,928.58 = 29,871.06/x
  3. Step 3: Cross multiply
    55,021.56x = 75,928.58 × 29,871.06
  4. Step 4: Simplify right side
    55,021.56x = 2,268,067,019.54
  5. Step 5: Solve for x
    x = 2,268,067,019.54/55,021.56
  6. Step 6: Final answer
    x = 41,221.42

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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.