Home / 31,481.19-43,439.76-17,334.81

Finding the Fourth Proportional to 31,481.19, 43,439.76 and 17,334.81

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Solution

The fourth proportional to 31,481.19, 43,439.76 and 17,334.81 is: 23,919.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,481.19 : 43,439.76 = 17,334.81 : x
  2. Step 2: Convert to fraction form
    31,481.19/43,439.76 = 17,334.81/x
  3. Step 3: Cross multiply
    31,481.19x = 43,439.76 × 17,334.81
  4. Step 4: Simplify right side
    31,481.19x = 753,019,986.05
  5. Step 5: Solve for x
    x = 753,019,986.05/31,481.19
  6. Step 6: Final answer
    x = 23,919.68

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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.