Home / 39,943.94-55,122.93-22,039.59

Finding the Fourth Proportional to 39,943.94, 55,122.93 and 22,039.59

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Solution

The fourth proportional to 39,943.94, 55,122.93 and 22,039.59 is: 30,414.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,943.94 : 55,122.93 = 22,039.59 : x
  2. Step 2: Convert to fraction form
    39,943.94/55,122.93 = 22,039.59/x
  3. Step 3: Cross multiply
    39,943.94x = 55,122.93 × 22,039.59
  4. Step 4: Simplify right side
    39,943.94x = 1,214,886,776.80
  5. Step 5: Solve for x
    x = 1,214,886,776.80/39,943.94
  6. Step 6: Final answer
    x = 30,414.80

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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.