Home / 30,245.61-41,736.98-16,816.52

Finding the Fourth Proportional to 30,245.61, 41,736.98 and 16,816.52

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Solution

The fourth proportional to 30,245.61, 41,736.98 and 16,816.52 is: 23,205.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,245.61 : 41,736.98 = 16,816.52 : x
  2. Step 2: Convert to fraction form
    30,245.61/41,736.98 = 16,816.52/x
  3. Step 3: Cross multiply
    30,245.61x = 41,736.98 × 16,816.52
  4. Step 4: Simplify right side
    30,245.61x = 701,870,466.14
  5. Step 5: Solve for x
    x = 701,870,466.14/30,245.61
  6. Step 6: Final answer
    x = 23,205.70

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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.