Home / 39,937.62-55,113.61-22,033.38

Finding the Fourth Proportional to 39,937.62, 55,113.61 and 22,033.38

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Solution

The fourth proportional to 39,937.62, 55,113.61 and 22,033.38 is: 30,405.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,937.62 : 55,113.61 = 22,033.38 : x
  2. Step 2: Convert to fraction form
    39,937.62/55,113.61 = 22,033.38/x
  3. Step 3: Cross multiply
    39,937.62x = 55,113.61 × 22,033.38
  4. Step 4: Simplify right side
    39,937.62x = 1,214,339,112.30
  5. Step 5: Solve for x
    x = 1,214,339,112.30/39,937.62
  6. Step 6: Final answer
    x = 30,405.90

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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.