Home / 81,800.37-122,703.28-22,631.08

Finding the Fourth Proportional to 81,800.37, 122,703.28 and 22,631.08

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Solution

The fourth proportional to 81,800.37, 122,703.28 and 22,631.08 is: 33,947.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,800.37 : 122,703.28 = 22,631.08 : x
  2. Step 2: Convert to fraction form
    81,800.37/122,703.28 = 22,631.08/x
  3. Step 3: Cross multiply
    81,800.37x = 122,703.28 × 22,631.08
  4. Step 4: Simplify right side
    81,800.37x = 2,776,907,745.94
  5. Step 5: Solve for x
    x = 2,776,907,745.94/81,800.37
  6. Step 6: Final answer
    x = 33,947.37

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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.