Home / 31,911.89-47,796.55-23,126.63

Finding the Fourth Proportional to 31,911.89, 47,796.55 and 23,126.63

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Solution

The fourth proportional to 31,911.89, 47,796.55 and 23,126.63 is: 34,638.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,911.89 : 47,796.55 = 23,126.63 : x
  2. Step 2: Convert to fraction form
    31,911.89/47,796.55 = 23,126.63/x
  3. Step 3: Cross multiply
    31,911.89x = 47,796.55 × 23,126.63
  4. Step 4: Simplify right side
    31,911.89x = 1,105,372,830.33
  5. Step 5: Solve for x
    x = 1,105,372,830.33/31,911.89
  6. Step 6: Final answer
    x = 34,638.28

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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.