Home / 49,426.44-68,191.60-28,190.40

Finding the Fourth Proportional to 49,426.44, 68,191.60 and 28,190.40

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Solution

The fourth proportional to 49,426.44, 68,191.60 and 28,190.40 is: 38,893.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,426.44 : 68,191.60 = 28,190.40 : x
  2. Step 2: Convert to fraction form
    49,426.44/68,191.60 = 28,190.40/x
  3. Step 3: Cross multiply
    49,426.44x = 68,191.60 × 28,190.40
  4. Step 4: Simplify right side
    49,426.44x = 1,922,348,480.64
  5. Step 5: Solve for x
    x = 1,922,348,480.64/49,426.44
  6. Step 6: Final answer
    x = 38,893.12

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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.