Home / 39,081.70-58,622.55-16,879.60

Finding the Fourth Proportional to 39,081.70, 58,622.55 and 16,879.60

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Solution

The fourth proportional to 39,081.70, 58,622.55 and 16,879.60 is: 25,319.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,081.70 : 58,622.55 = 16,879.60 : x
  2. Step 2: Convert to fraction form
    39,081.70/58,622.55 = 16,879.60/x
  3. Step 3: Cross multiply
    39,081.70x = 58,622.55 × 16,879.60
  4. Step 4: Simplify right side
    39,081.70x = 989,525,194.98
  5. Step 5: Solve for x
    x = 989,525,194.98/39,081.70
  6. Step 6: Final answer
    x = 25,319.40

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.