Home / 69,784.24-104,660.64-19,863.23

Finding the Fourth Proportional to 69,784.24, 104,660.64 and 19,863.23

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Solution

The fourth proportional to 69,784.24, 104,660.64 and 19,863.23 is: 29,790.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,784.24 : 104,660.64 = 19,863.23 : x
  2. Step 2: Convert to fraction form
    69,784.24/104,660.64 = 19,863.23/x
  3. Step 3: Cross multiply
    69,784.24x = 104,660.64 × 19,863.23
  4. Step 4: Simplify right side
    69,784.24x = 2,078,898,264.95
  5. Step 5: Solve for x
    x = 2,078,898,264.95/69,784.24
  6. Step 6: Final answer
    x = 29,790.37

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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.