Home / 81,548.41-122,303.67-22,388.83

Finding the Fourth Proportional to 81,548.41, 122,303.67 and 22,388.83

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Solution

The fourth proportional to 81,548.41, 122,303.67 and 22,388.83 is: 33,578.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,548.41 : 122,303.67 = 22,388.83 : x
  2. Step 2: Convert to fraction form
    81,548.41/122,303.67 = 22,388.83/x
  3. Step 3: Cross multiply
    81,548.41x = 122,303.67 × 22,388.83
  4. Step 4: Simplify right side
    81,548.41x = 2,738,236,076.01
  5. Step 5: Solve for x
    x = 2,738,236,076.01/81,548.41
  6. Step 6: Final answer
    x = 33,578.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.