Home / 30,138.93-41,591.25-16,709.85

Finding the Fourth Proportional to 30,138.93, 41,591.25 and 16,709.85

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Solution

The fourth proportional to 30,138.93, 41,591.25 and 16,709.85 is: 23,059.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,138.93 : 41,591.25 = 16,709.85 : x
  2. Step 2: Convert to fraction form
    30,138.93/41,591.25 = 16,709.85/x
  3. Step 3: Cross multiply
    30,138.93x = 41,591.25 × 16,709.85
  4. Step 4: Simplify right side
    30,138.93x = 694,983,548.81
  5. Step 5: Solve for x
    x = 694,983,548.81/30,138.93
  6. Step 6: Final answer
    x = 23,059.33

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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.