Home / 31,239.26-46,858.92-12,771.26

Finding the Fourth Proportional to 31,239.26, 46,858.92 and 12,771.26

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Solution

The fourth proportional to 31,239.26, 46,858.92 and 12,771.26 is: 19,156.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,239.26 : 46,858.92 = 12,771.26 : x
  2. Step 2: Convert to fraction form
    31,239.26/46,858.92 = 12,771.26/x
  3. Step 3: Cross multiply
    31,239.26x = 46,858.92 × 12,771.26
  4. Step 4: Simplify right side
    31,239.26x = 598,447,450.64
  5. Step 5: Solve for x
    x = 598,447,450.64/31,239.26
  6. Step 6: Final answer
    x = 19,156.90

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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.