Home / 30,221.76-41,706.80-16,793.60

Finding the Fourth Proportional to 30,221.76, 41,706.80 and 16,793.60

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Solution

The fourth proportional to 30,221.76, 41,706.80 and 16,793.60 is: 23,175.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,221.76 : 41,706.80 = 16,793.60 : x
  2. Step 2: Convert to fraction form
    30,221.76/41,706.80 = 16,793.60/x
  3. Step 3: Cross multiply
    30,221.76x = 41,706.80 × 16,793.60
  4. Step 4: Simplify right side
    30,221.76x = 700,407,316.48
  5. Step 5: Solve for x
    x = 700,407,316.48/30,221.76
  6. Step 6: Final answer
    x = 23,175.60

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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.