Home / 31,940.46-47,910.52-17,900.53

Finding the Fourth Proportional to 31,940.46, 47,910.52 and 17,900.53

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Solution

The fourth proportional to 31,940.46, 47,910.52 and 17,900.53 is: 26,850.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,940.46 : 47,910.52 = 17,900.53 : x
  2. Step 2: Convert to fraction form
    31,940.46/47,910.52 = 17,900.53/x
  3. Step 3: Cross multiply
    31,940.46x = 47,910.52 × 17,900.53
  4. Step 4: Simplify right side
    31,940.46x = 857,623,603.17
  5. Step 5: Solve for x
    x = 857,623,603.17/31,940.46
  6. Step 6: Final answer
    x = 26,850.70

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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.