Home / 31,701.94-43,748.59-18,273.09

Finding the Fourth Proportional to 31,701.94, 43,748.59 and 18,273.09

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Solution

The fourth proportional to 31,701.94, 43,748.59 and 18,273.09 is: 25,216.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,701.94 : 43,748.59 = 18,273.09 : x
  2. Step 2: Convert to fraction form
    31,701.94/43,748.59 = 18,273.09/x
  3. Step 3: Cross multiply
    31,701.94x = 43,748.59 × 18,273.09
  4. Step 4: Simplify right side
    31,701.94x = 799,421,922.44
  5. Step 5: Solve for x
    x = 799,421,922.44/31,701.94
  6. Step 6: Final answer
    x = 25,216.81

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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.