Home / 29,868.96-41,220.08-16,440.80

Finding the Fourth Proportional to 29,868.96, 41,220.08 and 16,440.80

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Solution

The fourth proportional to 29,868.96, 41,220.08 and 16,440.80 is: 22,688.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,868.96 : 41,220.08 = 16,440.80 : x
  2. Step 2: Convert to fraction form
    29,868.96/41,220.08 = 16,440.80/x
  3. Step 3: Cross multiply
    29,868.96x = 41,220.08 × 16,440.80
  4. Step 4: Simplify right side
    29,868.96x = 677,691,091.26
  5. Step 5: Solve for x
    x = 677,691,091.26/29,868.96
  6. Step 6: Final answer
    x = 22,688.81

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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.