Home / 30,333.24-41,863.26-16,905.72

Finding the Fourth Proportional to 30,333.24, 41,863.26 and 16,905.72

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Solution

The fourth proportional to 30,333.24, 41,863.26 and 16,905.72 is: 23,331.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,333.24 : 41,863.26 = 16,905.72 : x
  2. Step 2: Convert to fraction form
    30,333.24/41,863.26 = 16,905.72/x
  3. Step 3: Cross multiply
    30,333.24x = 41,863.26 × 16,905.72
  4. Step 4: Simplify right side
    30,333.24x = 707,728,551.85
  5. Step 5: Solve for x
    x = 707,728,551.85/30,333.24
  6. Step 6: Final answer
    x = 23,331.78

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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.