Home / 46,287.55-69,338.37-21,292.70

Finding the Fourth Proportional to 46,287.55, 69,338.37 and 21,292.70

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Solution

The fourth proportional to 46,287.55, 69,338.37 and 21,292.70 is: 31,896.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,287.55 : 69,338.37 = 21,292.70 : x
  2. Step 2: Convert to fraction form
    46,287.55/69,338.37 = 21,292.70/x
  3. Step 3: Cross multiply
    46,287.55x = 69,338.37 × 21,292.70
  4. Step 4: Simplify right side
    46,287.55x = 1,476,401,110.90
  5. Step 5: Solve for x
    x = 1,476,401,110.90/46,287.55
  6. Step 6: Final answer
    x = 31,896.29

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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.