Home / 30,280.92-41,788.35-16,853.55

Finding the Fourth Proportional to 30,280.92, 41,788.35 and 16,853.55

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Solution

The fourth proportional to 30,280.92, 41,788.35 and 16,853.55 is: 23,258.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,280.92 : 41,788.35 = 16,853.55 : x
  2. Step 2: Convert to fraction form
    30,280.92/41,788.35 = 16,853.55/x
  3. Step 3: Cross multiply
    30,280.92x = 41,788.35 × 16,853.55
  4. Step 4: Simplify right side
    30,280.92x = 704,282,046.14
  5. Step 5: Solve for x
    x = 704,282,046.14/30,280.92
  6. Step 6: Final answer
    x = 23,258.28

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.