Home / 69,828.66-104,727.19-19,907.68

Finding the Fourth Proportional to 69,828.66, 104,727.19 and 19,907.68

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Solution

The fourth proportional to 69,828.66, 104,727.19 and 19,907.68 is: 29,857.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,828.66 : 104,727.19 = 19,907.68 : x
  2. Step 2: Convert to fraction form
    69,828.66/104,727.19 = 19,907.68/x
  3. Step 3: Cross multiply
    69,828.66x = 104,727.19 × 19,907.68
  4. Step 4: Simplify right side
    69,828.66x = 2,084,875,385.82
  5. Step 5: Solve for x
    x = 2,084,875,385.82/69,828.66
  6. Step 6: Final answer
    x = 29,857.02

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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.