Home / 30,290.50-41,800.44-16,861.73

Finding the Fourth Proportional to 30,290.50, 41,800.44 and 16,861.73

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Solution

The fourth proportional to 30,290.50, 41,800.44 and 16,861.73 is: 23,268.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,290.50 : 41,800.44 = 16,861.73 : x
  2. Step 2: Convert to fraction form
    30,290.50/41,800.44 = 16,861.73/x
  3. Step 3: Cross multiply
    30,290.50x = 41,800.44 × 16,861.73
  4. Step 4: Simplify right side
    30,290.50x = 704,827,733.16
  5. Step 5: Solve for x
    x = 704,827,733.16/30,290.50
  6. Step 6: Final answer
    x = 23,268.94

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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.