Home / 31,980.21-44,115.99-18,546.57

Finding the Fourth Proportional to 31,980.21, 44,115.99 and 18,546.57

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Solution

The fourth proportional to 31,980.21, 44,115.99 and 18,546.57 is: 25,584.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,980.21 : 44,115.99 = 18,546.57 : x
  2. Step 2: Convert to fraction form
    31,980.21/44,115.99 = 18,546.57/x
  3. Step 3: Cross multiply
    31,980.21x = 44,115.99 × 18,546.57
  4. Step 4: Simplify right side
    31,980.21x = 818,200,296.65
  5. Step 5: Solve for x
    x = 818,200,296.65/31,980.21
  6. Step 6: Final answer
    x = 25,584.58

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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.