Home / 39,938.84-55,115.78-22,033.85

Finding the Fourth Proportional to 39,938.84, 55,115.78 and 22,033.85

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Solution

The fourth proportional to 39,938.84, 55,115.78 and 22,033.85 is: 30,406.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,938.84 : 55,115.78 = 22,033.85 : x
  2. Step 2: Convert to fraction form
    39,938.84/55,115.78 = 22,033.85/x
  3. Step 3: Cross multiply
    39,938.84x = 55,115.78 × 22,033.85
  4. Step 4: Simplify right side
    39,938.84x = 1,214,412,443.40
  5. Step 5: Solve for x
    x = 1,214,412,443.40/39,938.84
  6. Step 6: Final answer
    x = 30,406.81

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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.