Home / 51,608.60-71,219.57-28,638.19

Finding the Fourth Proportional to 51,608.60, 71,219.57 and 28,638.19

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Solution

The fourth proportional to 51,608.60, 71,219.57 and 28,638.19 is: 39,520.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,608.60 : 71,219.57 = 28,638.19 : x
  2. Step 2: Convert to fraction form
    51,608.60/71,219.57 = 28,638.19/x
  3. Step 3: Cross multiply
    51,608.60x = 71,219.57 × 28,638.19
  4. Step 4: Simplify right side
    51,608.60x = 2,039,599,577.38
  5. Step 5: Solve for x
    x = 2,039,599,577.38/51,608.60
  6. Step 6: Final answer
    x = 39,520.54

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Half scale
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Double scale
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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.