Home / 31,697.06-43,751.66-18,277.25

Finding the Fourth Proportional to 31,697.06, 43,751.66 and 18,277.25

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Solution

The fourth proportional to 31,697.06, 43,751.66 and 18,277.25 is: 25,228.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,697.06 : 43,751.66 = 18,277.25 : x
  2. Step 2: Convert to fraction form
    31,697.06/43,751.66 = 18,277.25/x
  3. Step 3: Cross multiply
    31,697.06x = 43,751.66 × 18,277.25
  4. Step 4: Simplify right side
    31,697.06x = 799,659,717.59
  5. Step 5: Solve for x
    x = 799,659,717.59/31,697.06
  6. Step 6: Final answer
    x = 25,228.20

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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.