Home / 31,804.83-43,907.09-22,415.31

Finding the Fourth Proportional to 31,804.83, 43,907.09 and 22,415.31

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Solution

The fourth proportional to 31,804.83, 43,907.09 and 22,415.31 is: 30,944.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,804.83 : 43,907.09 = 22,415.31 : x
  2. Step 2: Convert to fraction form
    31,804.83/43,907.09 = 22,415.31/x
  3. Step 3: Cross multiply
    31,804.83x = 43,907.09 × 22,415.31
  4. Step 4: Simplify right side
    31,804.83x = 984,190,921.47
  5. Step 5: Solve for x
    x = 984,190,921.47/31,804.83
  6. Step 6: Final answer
    x = 30,944.70

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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.