Home / 31,104-42,922.31-17,677.04

Finding the Fourth Proportional to 31,104, 42,922.31 and 17,677.04

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Solution

The fourth proportional to 31,104, 42,922.31 and 17,677.04 is: 24,393.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,104 : 42,922.31 = 17,677.04 : x
  2. Step 2: Convert to fraction form
    31,104/42,922.31 = 17,677.04/x
  3. Step 3: Cross multiply
    31,104x = 42,922.31 × 17,677.04
  4. Step 4: Simplify right side
    31,104x = 758,739,087.77
  5. Step 5: Solve for x
    x = 758,739,087.77/31,104
  6. Step 6: Final answer
    x = 24,393.62

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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.