Home / 31,682.06-43,730.97-18,262.28

Finding the Fourth Proportional to 31,682.06, 43,730.97 and 18,262.28

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Solution

The fourth proportional to 31,682.06, 43,730.97 and 18,262.28 is: 25,207.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,682.06 : 43,730.97 = 18,262.28 : x
  2. Step 2: Convert to fraction form
    31,682.06/43,730.97 = 18,262.28/x
  3. Step 3: Cross multiply
    31,682.06x = 43,730.97 × 18,262.28
  4. Step 4: Simplify right side
    31,682.06x = 798,627,000.16
  5. Step 5: Solve for x
    x = 798,627,000.16/31,682.06
  6. Step 6: Final answer
    x = 25,207.55

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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.