Home / 29,200.80-43,801.20-18,177.60

Finding the Fourth Proportional to 29,200.80, 43,801.20 and 18,177.60

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Solution

The fourth proportional to 29,200.80, 43,801.20 and 18,177.60 is: 27,266.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,200.80 : 43,801.20 = 18,177.60 : x
  2. Step 2: Convert to fraction form
    29,200.80/43,801.20 = 18,177.60/x
  3. Step 3: Cross multiply
    29,200.80x = 43,801.20 × 18,177.60
  4. Step 4: Simplify right side
    29,200.80x = 796,200,693.12
  5. Step 5: Solve for x
    x = 796,200,693.12/29,200.80
  6. Step 6: Final answer
    x = 27,266.40

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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.