Home / 30,199.37-41,675.69-16,771.87

Finding the Fourth Proportional to 30,199.37, 41,675.69 and 16,771.87

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Solution

The fourth proportional to 30,199.37, 41,675.69 and 16,771.87 is: 23,145.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,199.37 : 41,675.69 = 16,771.87 : x
  2. Step 2: Convert to fraction form
    30,199.37/41,675.69 = 16,771.87/x
  3. Step 3: Cross multiply
    30,199.37x = 41,675.69 × 16,771.87
  4. Step 4: Simplify right side
    30,199.37x = 698,979,254.84
  5. Step 5: Solve for x
    x = 698,979,254.84/30,199.37
  6. Step 6: Final answer
    x = 23,145.49

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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.