Home / 55,469.34-76,554.43-31,274.97

Finding the Fourth Proportional to 55,469.34, 76,554.43 and 31,274.97

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Solution

The fourth proportional to 55,469.34, 76,554.43 and 31,274.97 is: 43,163.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,469.34 : 76,554.43 = 31,274.97 : x
  2. Step 2: Convert to fraction form
    55,469.34/76,554.43 = 31,274.97/x
  3. Step 3: Cross multiply
    55,469.34x = 76,554.43 × 31,274.97
  4. Step 4: Simplify right side
    55,469.34x = 2,394,237,136.35
  5. Step 5: Solve for x
    x = 2,394,237,136.35/55,469.34
  6. Step 6: Final answer
    x = 43,163.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.