Home / 39,851.93-54,993.46-21,943.44

Finding the Fourth Proportional to 39,851.93, 54,993.46 and 21,943.44

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Solution

The fourth proportional to 39,851.93, 54,993.46 and 21,943.44 is: 30,280.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,851.93 : 54,993.46 = 21,943.44 : x
  2. Step 2: Convert to fraction form
    39,851.93/54,993.46 = 21,943.44/x
  3. Step 3: Cross multiply
    39,851.93x = 54,993.46 × 21,943.44
  4. Step 4: Simplify right side
    39,851.93x = 1,206,745,689.90
  5. Step 5: Solve for x
    x = 1,206,745,689.90/39,851.93
  6. Step 6: Final answer
    x = 30,280.73

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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.