Home / 39,988.53-55,183.41-22,083.12

Finding the Fourth Proportional to 39,988.53, 55,183.41 and 22,083.12

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Solution

The fourth proportional to 39,988.53, 55,183.41 and 22,083.12 is: 30,474.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,988.53 : 55,183.41 = 22,083.12 : x
  2. Step 2: Convert to fraction form
    39,988.53/55,183.41 = 22,083.12/x
  3. Step 3: Cross multiply
    39,988.53x = 55,183.41 × 22,083.12
  4. Step 4: Simplify right side
    39,988.53x = 1,218,621,865.04
  5. Step 5: Solve for x
    x = 1,218,621,865.04/39,988.53
  6. Step 6: Final answer
    x = 30,474.29

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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.