Home / 30,327.75-41,853.59-16,899.02

Finding the Fourth Proportional to 30,327.75, 41,853.59 and 16,899.02

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Solution

The fourth proportional to 30,327.75, 41,853.59 and 16,899.02 is: 23,321.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,327.75 : 41,853.59 = 16,899.02 : x
  2. Step 2: Convert to fraction form
    30,327.75/41,853.59 = 16,899.02/x
  3. Step 3: Cross multiply
    30,327.75x = 41,853.59 × 16,899.02
  4. Step 4: Simplify right side
    30,327.75x = 707,284,360.72
  5. Step 5: Solve for x
    x = 707,284,360.72/30,327.75
  6. Step 6: Final answer
    x = 23,321.36

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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.