Home / 69,959.03-104,907.58-20,027.75

Finding the Fourth Proportional to 69,959.03, 104,907.58 and 20,027.75

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Solution

The fourth proportional to 69,959.03, 104,907.58 and 20,027.75 is: 30,032.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,959.03 : 104,907.58 = 20,027.75 : x
  2. Step 2: Convert to fraction form
    69,959.03/104,907.58 = 20,027.75/x
  3. Step 3: Cross multiply
    69,959.03x = 104,907.58 × 20,027.75
  4. Step 4: Simplify right side
    69,959.03x = 2,101,062,210.74
  5. Step 5: Solve for x
    x = 2,101,062,210.74/69,959.03
  6. Step 6: Final answer
    x = 30,032.75

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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.