Home / 31,205.18-46,815.96-11,216.69

Finding the Fourth Proportional to 31,205.18, 46,815.96 and 11,216.69

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Solution

The fourth proportional to 31,205.18, 46,815.96 and 11,216.69 is: 16,827.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,205.18 : 46,815.96 = 11,216.69 : x
  2. Step 2: Convert to fraction form
    31,205.18/46,815.96 = 11,216.69/x
  3. Step 3: Cross multiply
    31,205.18x = 46,815.96 × 11,216.69
  4. Step 4: Simplify right side
    31,205.18x = 525,120,110.37
  5. Step 5: Solve for x
    x = 525,120,110.37/31,205.18
  6. Step 6: Final answer
    x = 16,827.98

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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.