Home / 43,458.30-65,187.45-33,616.80

Finding the Fourth Proportional to 43,458.30, 65,187.45 and 33,616.80

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Solution

The fourth proportional to 43,458.30, 65,187.45 and 33,616.80 is: 50,425.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,458.30 : 65,187.45 = 33,616.80 : x
  2. Step 2: Convert to fraction form
    43,458.30/65,187.45 = 33,616.80/x
  3. Step 3: Cross multiply
    43,458.30x = 65,187.45 × 33,616.80
  4. Step 4: Simplify right side
    43,458.30x = 2,191,393,469.16
  5. Step 5: Solve for x
    x = 2,191,393,469.16/43,458.30
  6. Step 6: Final answer
    x = 50,425.20

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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.