Home / 31,754.45-47,653.54-10,977.95

Finding the Fourth Proportional to 31,754.45, 47,653.54 and 10,977.95

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Solution

The fourth proportional to 31,754.45, 47,653.54 and 10,977.95 is: 16,474.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,754.45 : 47,653.54 = 10,977.95 : x
  2. Step 2: Convert to fraction form
    31,754.45/47,653.54 = 10,977.95/x
  3. Step 3: Cross multiply
    31,754.45x = 47,653.54 × 10,977.95
  4. Step 4: Simplify right side
    31,754.45x = 523,138,179.44
  5. Step 5: Solve for x
    x = 523,138,179.44/31,754.45
  6. Step 6: Final answer
    x = 16,474.48

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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.