Home / 39,185.40-54,081.96-22,190.52

Finding the Fourth Proportional to 39,185.40, 54,081.96 and 22,190.52

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Solution

The fourth proportional to 39,185.40, 54,081.96 and 22,190.52 is: 30,626.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,185.40 : 54,081.96 = 22,190.52 : x
  2. Step 2: Convert to fraction form
    39,185.40/54,081.96 = 22,190.52/x
  3. Step 3: Cross multiply
    39,185.40x = 54,081.96 × 22,190.52
  4. Step 4: Simplify right side
    39,185.40x = 1,200,106,815.02
  5. Step 5: Solve for x
    x = 1,200,106,815.02/39,185.40
  6. Step 6: Final answer
    x = 30,626.38

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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.