Home / 66,664.28-100,001.73-22,291.31

Finding the Fourth Proportional to 66,664.28, 100,001.73 and 22,291.31

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Solution

The fourth proportional to 66,664.28, 100,001.73 and 22,291.31 is: 33,438.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,664.28 : 100,001.73 = 22,291.31 : x
  2. Step 2: Convert to fraction form
    66,664.28/100,001.73 = 22,291.31/x
  3. Step 3: Cross multiply
    66,664.28x = 100,001.73 × 22,291.31
  4. Step 4: Simplify right side
    66,664.28x = 2,229,169,563.97
  5. Step 5: Solve for x
    x = 2,229,169,563.97/66,664.28
  6. Step 6: Final answer
    x = 33,438.74

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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.