Home / 31,805.06-43,894.46-18,194.35

Finding the Fourth Proportional to 31,805.06, 43,894.46 and 18,194.35

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Solution

The fourth proportional to 31,805.06, 43,894.46 and 18,194.35 is: 25,110.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,805.06 : 43,894.46 = 18,194.35 : x
  2. Step 2: Convert to fraction form
    31,805.06/43,894.46 = 18,194.35/x
  3. Step 3: Cross multiply
    31,805.06x = 43,894.46 × 18,194.35
  4. Step 4: Simplify right side
    31,805.06x = 798,630,960.56
  5. Step 5: Solve for x
    x = 798,630,960.56/31,805.06
  6. Step 6: Final answer
    x = 25,110.19

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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.