Home / 30,205.35-41,684.45-16,776.86

Finding the Fourth Proportional to 30,205.35, 41,684.45 and 16,776.86

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Solution

The fourth proportional to 30,205.35, 41,684.45 and 16,776.86 is: 23,152.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,205.35 : 41,684.45 = 16,776.86 : x
  2. Step 2: Convert to fraction form
    30,205.35/41,684.45 = 16,776.86/x
  3. Step 3: Cross multiply
    30,205.35x = 41,684.45 × 16,776.86
  4. Step 4: Simplify right side
    30,205.35x = 699,333,889.52
  5. Step 5: Solve for x
    x = 699,333,889.52/30,205.35
  6. Step 6: Final answer
    x = 23,152.65

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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.