Home / 31,409.44-43,347.60-18,833.92

Finding the Fourth Proportional to 31,409.44, 43,347.60 and 18,833.92

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Solution

The fourth proportional to 31,409.44, 43,347.60 and 18,833.92 is: 25,992.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,409.44 : 43,347.60 = 18,833.92 : x
  2. Step 2: Convert to fraction form
    31,409.44/43,347.60 = 18,833.92/x
  3. Step 3: Cross multiply
    31,409.44x = 43,347.60 × 18,833.92
  4. Step 4: Simplify right side
    31,409.44x = 816,405,230.59
  5. Step 5: Solve for x
    x = 816,405,230.59/31,409.44
  6. Step 6: Final answer
    x = 25,992.35

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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.