Home / 69,588.58-104,386.38-19,672.26

Finding the Fourth Proportional to 69,588.58, 104,386.38 and 19,672.26

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Solution

The fourth proportional to 69,588.58, 104,386.38 and 19,672.26 is: 29,509.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,588.58 : 104,386.38 = 19,672.26 : x
  2. Step 2: Convert to fraction form
    69,588.58/104,386.38 = 19,672.26/x
  3. Step 3: Cross multiply
    69,588.58x = 104,386.38 × 19,672.26
  4. Step 4: Simplify right side
    69,588.58x = 2,053,516,007.82
  5. Step 5: Solve for x
    x = 2,053,516,007.82/69,588.58
  6. Step 6: Final answer
    x = 29,509.38

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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.