Home / 40,144.10-55,387.53-23,147.00

Finding the Fourth Proportional to 40,144.10, 55,387.53 and 23,147.00

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Solution

The fourth proportional to 40,144.10, 55,387.53 and 23,147.00 is: 31,936.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,144.10 : 55,387.53 = 23,147.00 : x
  2. Step 2: Convert to fraction form
    40,144.10/55,387.53 = 23,147.00/x
  3. Step 3: Cross multiply
    40,144.10x = 55,387.53 × 23,147.00
  4. Step 4: Simplify right side
    40,144.10x = 1,282,054,879.97
  5. Step 5: Solve for x
    x = 1,282,054,879.97/40,144.10
  6. Step 6: Final answer
    x = 31,936.33

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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.