Home / 40,584.54-56,078.21-31,233.90

Finding the Fourth Proportional to 40,584.54, 56,078.21 and 31,233.90

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Solution

The fourth proportional to 40,584.54, 56,078.21 and 31,233.90 is: 43,157.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,584.54 : 56,078.21 = 31,233.90 : x
  2. Step 2: Convert to fraction form
    40,584.54/56,078.21 = 31,233.90/x
  3. Step 3: Cross multiply
    40,584.54x = 56,078.21 × 31,233.90
  4. Step 4: Simplify right side
    40,584.54x = 1,751,541,203.32
  5. Step 5: Solve for x
    x = 1,751,541,203.32/40,584.54
  6. Step 6: Final answer
    x = 43,157.84

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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.