Home / 29,549.54-40,778.48-16,121.09

Finding the Fourth Proportional to 29,549.54, 40,778.48 and 16,121.09

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Solution

The fourth proportional to 29,549.54, 40,778.48 and 16,121.09 is: 22,247.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,549.54 : 40,778.48 = 16,121.09 : x
  2. Step 2: Convert to fraction form
    29,549.54/40,778.48 = 16,121.09/x
  3. Step 3: Cross multiply
    29,549.54x = 40,778.48 × 16,121.09
  4. Step 4: Simplify right side
    29,549.54x = 657,393,546.14
  5. Step 5: Solve for x
    x = 657,393,546.14/29,549.54
  6. Step 6: Final answer
    x = 22,247.17

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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.