Home / 55,917.24-83,825.94-20,858.52

Finding the Fourth Proportional to 55,917.24, 83,825.94 and 20,858.52

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Solution

The fourth proportional to 55,917.24, 83,825.94 and 20,858.52 is: 31,269.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,917.24 : 83,825.94 = 20,858.52 : x
  2. Step 2: Convert to fraction form
    55,917.24/83,825.94 = 20,858.52/x
  3. Step 3: Cross multiply
    55,917.24x = 83,825.94 × 20,858.52
  4. Step 4: Simplify right side
    55,917.24x = 1,748,485,046.01
  5. Step 5: Solve for x
    x = 1,748,485,046.01/55,917.24
  6. Step 6: Final answer
    x = 31,269.16

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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.