Home / 31,896-47,827.91-18,573.30

Finding the Fourth Proportional to 31,896, 47,827.91 and 18,573.30

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Solution

The fourth proportional to 31,896, 47,827.91 and 18,573.30 is: 27,850.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,896 : 47,827.91 = 18,573.30 : x
  2. Step 2: Convert to fraction form
    31,896/47,827.91 = 18,573.30/x
  3. Step 3: Cross multiply
    31,896x = 47,827.91 × 18,573.30
  4. Step 4: Simplify right side
    31,896x = 888,322,167.24
  5. Step 5: Solve for x
    x = 888,322,167.24/31,896
  6. Step 6: Final answer
    x = 27,850.58

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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.