Home / 39,850.02-54,993.39-21,945.09

Finding the Fourth Proportional to 39,850.02, 54,993.39 and 21,945.09

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Solution

The fourth proportional to 39,850.02, 54,993.39 and 21,945.09 is: 30,284.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,850.02 : 54,993.39 = 21,945.09 : x
  2. Step 2: Convert to fraction form
    39,850.02/54,993.39 = 21,945.09/x
  3. Step 3: Cross multiply
    39,850.02x = 54,993.39 × 21,945.09
  4. Step 4: Simplify right side
    39,850.02x = 1,206,834,892.96
  5. Step 5: Solve for x
    x = 1,206,834,892.96/39,850.02
  6. Step 6: Final answer
    x = 30,284.42

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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.