Home / 31,821.03-47,731.54-9,634.37

Finding the Fourth Proportional to 31,821.03, 47,731.54 and 9,634.37

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Solution

The fourth proportional to 31,821.03, 47,731.54 and 9,634.37 is: 14,451.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,821.03 : 47,731.54 = 9,634.37 : x
  2. Step 2: Convert to fraction form
    31,821.03/47,731.54 = 9,634.37/x
  3. Step 3: Cross multiply
    31,821.03x = 47,731.54 × 9,634.37
  4. Step 4: Simplify right side
    31,821.03x = 459,863,317.03
  5. Step 5: Solve for x
    x = 459,863,317.03/31,821.03
  6. Step 6: Final answer
    x = 14,451.55

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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.