Home / 66,558.56-99,804.28-22,169.44

Finding the Fourth Proportional to 66,558.56, 99,804.28 and 22,169.44

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Solution

The fourth proportional to 66,558.56, 99,804.28 and 22,169.44 is: 33,242.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,558.56 : 99,804.28 = 22,169.44 : x
  2. Step 2: Convert to fraction form
    66,558.56/99,804.28 = 22,169.44/x
  3. Step 3: Cross multiply
    66,558.56x = 99,804.28 × 22,169.44
  4. Step 4: Simplify right side
    66,558.56x = 2,212,604,997.20
  5. Step 5: Solve for x
    x = 2,212,604,997.20/66,558.56
  6. Step 6: Final answer
    x = 33,242.98

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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.