Home / 40,178.80-55,445.79-23,183.08

Finding the Fourth Proportional to 40,178.80, 55,445.79 and 23,183.08

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Solution

The fourth proportional to 40,178.80, 55,445.79 and 23,183.08 is: 31,992.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,178.80 : 55,445.79 = 23,183.08 : x
  2. Step 2: Convert to fraction form
    40,178.80/55,445.79 = 23,183.08/x
  3. Step 3: Cross multiply
    40,178.80x = 55,445.79 × 23,183.08
  4. Step 4: Simplify right side
    40,178.80x = 1,285,404,185.23
  5. Step 5: Solve for x
    x = 1,285,404,185.23/40,178.80
  6. Step 6: Final answer
    x = 31,992.10

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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.