Home / 31,940.85-44,054.91-21,166.23

Finding the Fourth Proportional to 31,940.85, 44,054.91 and 21,166.23

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Solution

The fourth proportional to 31,940.85, 44,054.91 and 21,166.23 is: 29,193.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,940.85 : 44,054.91 = 21,166.23 : x
  2. Step 2: Convert to fraction form
    31,940.85/44,054.91 = 21,166.23/x
  3. Step 3: Cross multiply
    31,940.85x = 44,054.91 × 21,166.23
  4. Step 4: Simplify right side
    31,940.85x = 932,476,357.69
  5. Step 5: Solve for x
    x = 932,476,357.69/31,940.85
  6. Step 6: Final answer
    x = 29,193.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.