Home / 31,936.76-47,903.04-11,942.36

Finding the Fourth Proportional to 31,936.76, 47,903.04 and 11,942.36

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Solution

The fourth proportional to 31,936.76, 47,903.04 and 11,942.36 is: 17,912.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,936.76 : 47,903.04 = 11,942.36 : x
  2. Step 2: Convert to fraction form
    31,936.76/47,903.04 = 11,942.36/x
  3. Step 3: Cross multiply
    31,936.76x = 47,903.04 × 11,942.36
  4. Step 4: Simplify right side
    31,936.76x = 572,075,348.77
  5. Step 5: Solve for x
    x = 572,075,348.77/31,936.76
  6. Step 6: Final answer
    x = 17,912.75

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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.