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Finding the Fourth Proportional to 31,959.94, 44,104.76 and 19,213.26

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Solution

The fourth proportional to 31,959.94, 44,104.76 and 19,213.26 is: 26,514.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,959.94 : 44,104.76 = 19,213.26 : x
  2. Step 2: Convert to fraction form
    31,959.94/44,104.76 = 19,213.26/x
  3. Step 3: Cross multiply
    31,959.94x = 44,104.76 × 19,213.26
  4. Step 4: Simplify right side
    31,959.94x = 847,396,221.12
  5. Step 5: Solve for x
    x = 847,396,221.12/31,959.94
  6. Step 6: Final answer
    x = 26,514.32

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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.