Home / 31,007.88-46,512.33-8,821.83

Finding the Fourth Proportional to 31,007.88, 46,512.33 and 8,821.83

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Solution

The fourth proportional to 31,007.88, 46,512.33 and 8,821.83 is: 13,232.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,007.88 : 46,512.33 = 8,821.83 : x
  2. Step 2: Convert to fraction form
    31,007.88/46,512.33 = 8,821.83/x
  3. Step 3: Cross multiply
    31,007.88x = 46,512.33 × 8,821.83
  4. Step 4: Simplify right side
    31,007.88x = 410,323,868.16
  5. Step 5: Solve for x
    x = 410,323,868.16/31,007.88
  6. Step 6: Final answer
    x = 13,232.89

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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.