Home / 30,336.80-41,864.85-16,910.74

Finding the Fourth Proportional to 30,336.80, 41,864.85 and 16,910.74

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Solution

The fourth proportional to 30,336.80, 41,864.85 and 16,910.74 is: 23,336.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,336.80 : 41,864.85 = 16,910.74 : x
  2. Step 2: Convert to fraction form
    30,336.80/41,864.85 = 16,910.74/x
  3. Step 3: Cross multiply
    30,336.80x = 41,864.85 × 16,910.74
  4. Step 4: Simplify right side
    30,336.80x = 707,965,645.82
  5. Step 5: Solve for x
    x = 707,965,645.82/30,336.80
  6. Step 6: Final answer
    x = 23,336.86

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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.