Home / 31,467.12-47,185.30-14,813.12

Finding the Fourth Proportional to 31,467.12, 47,185.30 and 14,813.12

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Solution

The fourth proportional to 31,467.12, 47,185.30 and 14,813.12 is: 22,212.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,467.12 : 47,185.30 = 14,813.12 : x
  2. Step 2: Convert to fraction form
    31,467.12/47,185.30 = 14,813.12/x
  3. Step 3: Cross multiply
    31,467.12x = 47,185.30 × 14,813.12
  4. Step 4: Simplify right side
    31,467.12x = 698,961,511.14
  5. Step 5: Solve for x
    x = 698,961,511.14/31,467.12
  6. Step 6: Final answer
    x = 22,212.44

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1.5x scale

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.