Home / 31,955.52-47,954.61-11,179.02

Finding the Fourth Proportional to 31,955.52, 47,954.61 and 11,179.02

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Solution

The fourth proportional to 31,955.52, 47,954.61 and 11,179.02 is: 16,775.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,955.52 : 47,954.61 = 11,179.02 : x
  2. Step 2: Convert to fraction form
    31,955.52/47,954.61 = 11,179.02/x
  3. Step 3: Cross multiply
    31,955.52x = 47,954.61 × 11,179.02
  4. Step 4: Simplify right side
    31,955.52x = 536,085,544.28
  5. Step 5: Solve for x
    x = 536,085,544.28/31,955.52
  6. Step 6: Final answer
    x = 16,775.99

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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.