Home / 30,289.05-41,798.84-16,861.48

Finding the Fourth Proportional to 30,289.05, 41,798.84 and 16,861.48

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Solution

The fourth proportional to 30,289.05, 41,798.84 and 16,861.48 is: 23,268.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,289.05 : 41,798.84 = 16,861.48 : x
  2. Step 2: Convert to fraction form
    30,289.05/41,798.84 = 16,861.48/x
  3. Step 3: Cross multiply
    30,289.05x = 41,798.84 × 16,861.48
  4. Step 4: Simplify right side
    30,289.05x = 704,790,115.88
  5. Step 5: Solve for x
    x = 704,790,115.88/30,289.05
  6. Step 6: Final answer
    x = 23,268.81

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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.