Home / 30,199.58-41,674.01-16,771.70

Finding the Fourth Proportional to 30,199.58, 41,674.01 and 16,771.70

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Solution

The fourth proportional to 30,199.58, 41,674.01 and 16,771.70 is: 23,144.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,199.58 : 41,674.01 = 16,771.70 : x
  2. Step 2: Convert to fraction form
    30,199.58/41,674.01 = 16,771.70/x
  3. Step 3: Cross multiply
    30,199.58x = 41,674.01 × 16,771.70
  4. Step 4: Simplify right side
    30,199.58x = 698,943,993.52
  5. Step 5: Solve for x
    x = 698,943,993.52/30,199.58
  6. Step 6: Final answer
    x = 23,144.16

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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.