Home / 30,199.08-41,673.32-16,771.20

Finding the Fourth Proportional to 30,199.08, 41,673.32 and 16,771.20

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Solution

The fourth proportional to 30,199.08, 41,673.32 and 16,771.20 is: 23,143.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,199.08 : 41,673.32 = 16,771.20 : x
  2. Step 2: Convert to fraction form
    30,199.08/41,673.32 = 16,771.20/x
  3. Step 3: Cross multiply
    30,199.08x = 41,673.32 × 16,771.20
  4. Step 4: Simplify right side
    30,199.08x = 698,911,584.38
  5. Step 5: Solve for x
    x = 698,911,584.38/30,199.08
  6. Step 6: Final answer
    x = 23,143.47

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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.