Home / 31,223.08-43,087.57-17,076.03

Finding the Fourth Proportional to 31,223.08, 43,087.57 and 17,076.03

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Solution

The fourth proportional to 31,223.08, 43,087.57 and 17,076.03 is: 23,564.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,223.08 : 43,087.57 = 17,076.03 : x
  2. Step 2: Convert to fraction form
    31,223.08/43,087.57 = 17,076.03/x
  3. Step 3: Cross multiply
    31,223.08x = 43,087.57 × 17,076.03
  4. Step 4: Simplify right side
    31,223.08x = 735,764,637.95
  5. Step 5: Solve for x
    x = 735,764,637.95/31,223.08
  6. Step 6: Final answer
    x = 23,564.77

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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.