Home / 30,201.75-41,679.59-16,774.02

Finding the Fourth Proportional to 30,201.75, 41,679.59 and 16,774.02

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Solution

The fourth proportional to 30,201.75, 41,679.59 and 16,774.02 is: 23,148.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,201.75 : 41,679.59 = 16,774.02 : x
  2. Step 2: Convert to fraction form
    30,201.75/41,679.59 = 16,774.02/x
  3. Step 3: Cross multiply
    30,201.75x = 41,679.59 × 16,774.02
  4. Step 4: Simplify right side
    30,201.75x = 699,134,192.38
  5. Step 5: Solve for x
    x = 699,134,192.38/30,201.75
  6. Step 6: Final answer
    x = 23,148.80

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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.