Home / 55,022.58-75,930.21-29,871.54

Finding the Fourth Proportional to 55,022.58, 75,930.21 and 29,871.54

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Solution

The fourth proportional to 55,022.58, 75,930.21 and 29,871.54 is: 41,222.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,022.58 : 75,930.21 = 29,871.54 : x
  2. Step 2: Convert to fraction form
    55,022.58/75,930.21 = 29,871.54/x
  3. Step 3: Cross multiply
    55,022.58x = 75,930.21 × 29,871.54
  4. Step 4: Simplify right side
    55,022.58x = 2,268,152,305.22
  5. Step 5: Solve for x
    x = 2,268,152,305.22/55,022.58
  6. Step 6: Final answer
    x = 41,222.21

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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.