Home / 69,965.63-104,917.55-20,034.38

Finding the Fourth Proportional to 69,965.63, 104,917.55 and 20,034.38

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Solution

The fourth proportional to 69,965.63, 104,917.55 and 20,034.38 is: 30,042.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,965.63 : 104,917.55 = 20,034.38 : x
  2. Step 2: Convert to fraction form
    69,965.63/104,917.55 = 20,034.38/x
  3. Step 3: Cross multiply
    69,965.63x = 104,917.55 × 20,034.38
  4. Step 4: Simplify right side
    69,965.63x = 2,101,957,965.20
  5. Step 5: Solve for x
    x = 2,101,957,965.20/69,965.63
  6. Step 6: Final answer
    x = 30,042.72

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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.