Home / 69,027.42-103,543.44-19,103.34

Finding the Fourth Proportional to 69,027.42, 103,543.44 and 19,103.34

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Solution

The fourth proportional to 69,027.42, 103,543.44 and 19,103.34 is: 28,655.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,027.42 : 103,543.44 = 19,103.34 : x
  2. Step 2: Convert to fraction form
    69,027.42/103,543.44 = 19,103.34/x
  3. Step 3: Cross multiply
    69,027.42x = 103,543.44 × 19,103.34
  4. Step 4: Simplify right side
    69,027.42x = 1,978,025,539.09
  5. Step 5: Solve for x
    x = 1,978,025,539.09/69,027.42
  6. Step 6: Final answer
    x = 28,655.65

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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.