Home / 39,189.63-54,081.21-22,193.40

Finding the Fourth Proportional to 39,189.63, 54,081.21 and 22,193.40

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Solution

The fourth proportional to 39,189.63, 54,081.21 and 22,193.40 is: 30,626.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,189.63 : 54,081.21 = 22,193.40 : x
  2. Step 2: Convert to fraction form
    39,189.63/54,081.21 = 22,193.40/x
  3. Step 3: Cross multiply
    39,189.63x = 54,081.21 × 22,193.40
  4. Step 4: Simplify right side
    39,189.63x = 1,200,245,926.01
  5. Step 5: Solve for x
    x = 1,200,245,926.01/39,189.63
  6. Step 6: Final answer
    x = 30,626.62

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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.