Home / 31,871.06-47,791.09-19,233.84

Finding the Fourth Proportional to 31,871.06, 47,791.09 and 19,233.84

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Solution

The fourth proportional to 31,871.06, 47,791.09 and 19,233.84 is: 28,841.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,871.06 : 47,791.09 = 19,233.84 : x
  2. Step 2: Convert to fraction form
    31,871.06/47,791.09 = 19,233.84/x
  3. Step 3: Cross multiply
    31,871.06x = 47,791.09 × 19,233.84
  4. Step 4: Simplify right side
    31,871.06x = 919,206,178.49
  5. Step 5: Solve for x
    x = 919,206,178.49/31,871.06
  6. Step 6: Final answer
    x = 28,841.41

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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.