Home / 55,879.22-83,858.86-20,340.46

Finding the Fourth Proportional to 55,879.22, 83,858.86 and 20,340.46

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Solution

The fourth proportional to 55,879.22, 83,858.86 and 20,340.46 is: 30,525.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,879.22 : 83,858.86 = 20,340.46 : x
  2. Step 2: Convert to fraction form
    55,879.22/83,858.86 = 20,340.46/x
  3. Step 3: Cross multiply
    55,879.22x = 83,858.86 × 20,340.46
  4. Step 4: Simplify right side
    55,879.22x = 1,705,727,787.48
  5. Step 5: Solve for x
    x = 1,705,727,787.48/55,879.22
  6. Step 6: Final answer
    x = 30,525.26

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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.