Home / 69,430.05-104,150.52-19,514.25

Finding the Fourth Proportional to 69,430.05, 104,150.52 and 19,514.25

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Solution

The fourth proportional to 69,430.05, 104,150.52 and 19,514.25 is: 29,272.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,430.05 : 104,150.52 = 19,514.25 : x
  2. Step 2: Convert to fraction form
    69,430.05/104,150.52 = 19,514.25/x
  3. Step 3: Cross multiply
    69,430.05x = 104,150.52 × 19,514.25
  4. Step 4: Simplify right side
    69,430.05x = 2,032,419,284.91
  5. Step 5: Solve for x
    x = 2,032,419,284.91/69,430.05
  6. Step 6: Final answer
    x = 29,272.91

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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.