Home / 29,226.80-43,840.20-19,895.60

Finding the Fourth Proportional to 29,226.80, 43,840.20 and 19,895.60

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Solution

The fourth proportional to 29,226.80, 43,840.20 and 19,895.60 is: 29,843.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,226.80 : 43,840.20 = 19,895.60 : x
  2. Step 2: Convert to fraction form
    29,226.80/43,840.20 = 19,895.60/x
  3. Step 3: Cross multiply
    29,226.80x = 43,840.20 × 19,895.60
  4. Step 4: Simplify right side
    29,226.80x = 872,227,083.12
  5. Step 5: Solve for x
    x = 872,227,083.12/29,226.80
  6. Step 6: Final answer
    x = 29,843.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.