Home / 69,904.74-104,849.26-19,310.96

Finding the Fourth Proportional to 69,904.74, 104,849.26 and 19,310.96

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Solution

The fourth proportional to 69,904.74, 104,849.26 and 19,310.96 is: 28,964.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,904.74 : 104,849.26 = 19,310.96 : x
  2. Step 2: Convert to fraction form
    69,904.74/104,849.26 = 19,310.96/x
  3. Step 3: Cross multiply
    69,904.74x = 104,849.26 × 19,310.96
  4. Step 4: Simplify right side
    69,904.74x = 2,024,739,865.89
  5. Step 5: Solve for x
    x = 2,024,739,865.89/69,904.74
  6. Step 6: Final answer
    x = 28,964.27

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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.