Home / 39,938.84-55,115.78-22,033.84

Finding the Fourth Proportional to 39,938.84, 55,115.78 and 22,033.84

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Solution

The fourth proportional to 39,938.84, 55,115.78 and 22,033.84 is: 30,406.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,938.84 : 55,115.78 = 22,033.84 : x
  2. Step 2: Convert to fraction form
    39,938.84/55,115.78 = 22,033.84/x
  3. Step 3: Cross multiply
    39,938.84x = 55,115.78 × 22,033.84
  4. Step 4: Simplify right side
    39,938.84x = 1,214,412,195.29
  5. Step 5: Solve for x
    x = 1,214,412,195.29/39,938.84
  6. Step 6: Final answer
    x = 30,406.80

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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.