Home / 30,138.06-41,588.99-16,709.19

Finding the Fourth Proportional to 30,138.06, 41,588.99 and 16,709.19

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Solution

The fourth proportional to 30,138.06, 41,588.99 and 16,709.19 is: 23,057.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,138.06 : 41,588.99 = 16,709.19 : x
  2. Step 2: Convert to fraction form
    30,138.06/41,588.99 = 16,709.19/x
  3. Step 3: Cross multiply
    30,138.06x = 41,588.99 × 16,709.19
  4. Step 4: Simplify right side
    30,138.06x = 694,918,252.96
  5. Step 5: Solve for x
    x = 694,918,252.96/30,138.06
  6. Step 6: Final answer
    x = 23,057.83

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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.