Home / 40,412.07-55,763.75-23,183.55

Finding the Fourth Proportional to 40,412.07, 55,763.75 and 23,183.55

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Solution

The fourth proportional to 40,412.07, 55,763.75 and 23,183.55 is: 31,990.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,412.07 : 55,763.75 = 23,183.55 : x
  2. Step 2: Convert to fraction form
    40,412.07/55,763.75 = 23,183.55/x
  3. Step 3: Cross multiply
    40,412.07x = 55,763.75 × 23,183.55
  4. Step 4: Simplify right side
    40,412.07x = 1,292,801,570.39
  5. Step 5: Solve for x
    x = 1,292,801,570.39/40,412.07
  6. Step 6: Final answer
    x = 31,990.48

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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.