Home / 31,833.70-43,928.92-18,403.68

Finding the Fourth Proportional to 31,833.70, 43,928.92 and 18,403.68

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Solution

The fourth proportional to 31,833.70, 43,928.92 and 18,403.68 is: 25,396.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,833.70 : 43,928.92 = 18,403.68 : x
  2. Step 2: Convert to fraction form
    31,833.70/43,928.92 = 18,403.68/x
  3. Step 3: Cross multiply
    31,833.70x = 43,928.92 × 18,403.68
  4. Step 4: Simplify right side
    31,833.70x = 808,453,786.43
  5. Step 5: Solve for x
    x = 808,453,786.43/31,833.70
  6. Step 6: Final answer
    x = 25,396.16

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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.