Home / 40,980.44-56,558.40-23,078.95

Finding the Fourth Proportional to 40,980.44, 56,558.40 and 23,078.95

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Solution

The fourth proportional to 40,980.44, 56,558.40 and 23,078.95 is: 31,851.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,980.44 : 56,558.40 = 23,078.95 : x
  2. Step 2: Convert to fraction form
    40,980.44/56,558.40 = 23,078.95/x
  3. Step 3: Cross multiply
    40,980.44x = 56,558.40 × 23,078.95
  4. Step 4: Simplify right side
    40,980.44x = 1,305,308,257.74
  5. Step 5: Solve for x
    x = 1,305,308,257.74/40,980.44
  6. Step 6: Final answer
    x = 31,851.98

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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.