Home / 31,429.53-47,137.01-11,717.37

Finding the Fourth Proportional to 31,429.53, 47,137.01 and 11,717.37

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Solution

The fourth proportional to 31,429.53, 47,137.01 and 11,717.37 is: 17,573.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,429.53 : 47,137.01 = 11,717.37 : x
  2. Step 2: Convert to fraction form
    31,429.53/47,137.01 = 11,717.37/x
  3. Step 3: Cross multiply
    31,429.53x = 47,137.01 × 11,717.37
  4. Step 4: Simplify right side
    31,429.53x = 552,321,728.28
  5. Step 5: Solve for x
    x = 552,321,728.28/31,429.53
  6. Step 6: Final answer
    x = 17,573.34

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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.