Home / 37,845.77-52,231.23-20,851.72

Finding the Fourth Proportional to 37,845.77, 52,231.23 and 20,851.72

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Solution

The fourth proportional to 37,845.77, 52,231.23 and 20,851.72 is: 28,777.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,845.77 : 52,231.23 = 20,851.72 : x
  2. Step 2: Convert to fraction form
    37,845.77/52,231.23 = 20,851.72/x
  3. Step 3: Cross multiply
    37,845.77x = 52,231.23 × 20,851.72
  4. Step 4: Simplify right side
    37,845.77x = 1,089,110,852.64
  5. Step 5: Solve for x
    x = 1,089,110,852.64/37,845.77
  6. Step 6: Final answer
    x = 28,777.61

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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.