Home / 69,817.28-104,710.15-19,896.31

Finding the Fourth Proportional to 69,817.28, 104,710.15 and 19,896.31

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Solution

The fourth proportional to 69,817.28, 104,710.15 and 19,896.31 is: 29,839.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,817.28 : 104,710.15 = 19,896.31 : x
  2. Step 2: Convert to fraction form
    69,817.28/104,710.15 = 19,896.31/x
  3. Step 3: Cross multiply
    69,817.28x = 104,710.15 × 19,896.31
  4. Step 4: Simplify right side
    69,817.28x = 2,083,344,981.51
  5. Step 5: Solve for x
    x = 2,083,344,981.51/69,817.28
  6. Step 6: Final answer
    x = 29,839.96

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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.