Home / 39,190.81-54,083.90-22,194.63

Finding the Fourth Proportional to 39,190.81, 54,083.90 and 22,194.63

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Solution

The fourth proportional to 39,190.81, 54,083.90 and 22,194.63 is: 30,628.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,190.81 : 54,083.90 = 22,194.63 : x
  2. Step 2: Convert to fraction form
    39,190.81/54,083.90 = 22,194.63/x
  3. Step 3: Cross multiply
    39,190.81x = 54,083.90 × 22,194.63
  4. Step 4: Simplify right side
    39,190.81x = 1,200,372,357.05
  5. Step 5: Solve for x
    x = 1,200,372,357.05/39,190.81
  6. Step 6: Final answer
    x = 30,628.92

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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.