Home / 40,415.76-55,771.74-22,512.60

Finding the Fourth Proportional to 40,415.76, 55,771.74 and 22,512.60

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Solution

The fourth proportional to 40,415.76, 55,771.74 and 22,512.60 is: 31,066.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,415.76 : 55,771.74 = 22,512.60 : x
  2. Step 2: Convert to fraction form
    40,415.76/55,771.74 = 22,512.60/x
  3. Step 3: Cross multiply
    40,415.76x = 55,771.74 × 22,512.60
  4. Step 4: Simplify right side
    40,415.76x = 1,255,566,873.92
  5. Step 5: Solve for x
    x = 1,255,566,873.92/40,415.76
  6. Step 6: Final answer
    x = 31,066.27

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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.