Home / 31,308.78-46,911.21-22,530.54

Finding the Fourth Proportional to 31,308.78, 46,911.21 and 22,530.54

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Solution

The fourth proportional to 31,308.78, 46,911.21 and 22,530.54 is: 33,758.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,308.78 : 46,911.21 = 22,530.54 : x
  2. Step 2: Convert to fraction form
    31,308.78/46,911.21 = 22,530.54/x
  3. Step 3: Cross multiply
    31,308.78x = 46,911.21 × 22,530.54
  4. Step 4: Simplify right side
    31,308.78x = 1,056,934,893.35
  5. Step 5: Solve for x
    x = 1,056,934,893.35/31,308.78
  6. Step 6: Final answer
    x = 33,758.42

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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.