Home / 46,179.88-69,272.75-19,520.90

Finding the Fourth Proportional to 46,179.88, 69,272.75 and 19,520.90

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Solution

The fourth proportional to 46,179.88, 69,272.75 and 19,520.90 is: 29,282.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,179.88 : 69,272.75 = 19,520.90 : x
  2. Step 2: Convert to fraction form
    46,179.88/69,272.75 = 19,520.90/x
  3. Step 3: Cross multiply
    46,179.88x = 69,272.75 × 19,520.90
  4. Step 4: Simplify right side
    46,179.88x = 1,352,266,640.09
  5. Step 5: Solve for x
    x = 1,352,266,640.09/46,179.88
  6. Step 6: Final answer
    x = 29,282.59

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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.