Home / 66,662.28-99,998.73-22,289.31

Finding the Fourth Proportional to 66,662.28, 99,998.73 and 22,289.31

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Solution

The fourth proportional to 66,662.28, 99,998.73 and 22,289.31 is: 33,435.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,662.28 : 99,998.73 = 22,289.31 : x
  2. Step 2: Convert to fraction form
    66,662.28/99,998.73 = 22,289.31/x
  3. Step 3: Cross multiply
    66,662.28x = 99,998.73 × 22,289.31
  4. Step 4: Simplify right side
    66,662.28x = 2,228,902,692.58
  5. Step 5: Solve for x
    x = 2,228,902,692.58/66,662.28
  6. Step 6: Final answer
    x = 33,435.74

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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.