Home / 69,731.14-104,595.78-17,141.08

Finding the Fourth Proportional to 69,731.14, 104,595.78 and 17,141.08

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Solution

The fourth proportional to 69,731.14, 104,595.78 and 17,141.08 is: 25,711.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,731.14 : 104,595.78 = 17,141.08 : x
  2. Step 2: Convert to fraction form
    69,731.14/104,595.78 = 17,141.08/x
  3. Step 3: Cross multiply
    69,731.14x = 104,595.78 × 17,141.08
  4. Step 4: Simplify right side
    69,731.14x = 1,792,884,435.43
  5. Step 5: Solve for x
    x = 1,792,884,435.43/69,731.14
  6. Step 6: Final answer
    x = 25,711.39

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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.