Home / 46,147.62-69,167.42-21,190.11

Finding the Fourth Proportional to 46,147.62, 69,167.42 and 21,190.11

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Solution

The fourth proportional to 46,147.62, 69,167.42 and 21,190.11 is: 31,760.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,147.62 : 69,167.42 = 21,190.11 : x
  2. Step 2: Convert to fraction form
    46,147.62/69,167.42 = 21,190.11/x
  3. Step 3: Cross multiply
    46,147.62x = 69,167.42 × 21,190.11
  4. Step 4: Simplify right side
    46,147.62x = 1,465,664,952.35
  5. Step 5: Solve for x
    x = 1,465,664,952.35/46,147.62
  6. Step 6: Final answer
    x = 31,760.36

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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.