Home / 31,793.49-43,877.07-18,365.31

Finding the Fourth Proportional to 31,793.49, 43,877.07 and 18,365.31

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Solution

The fourth proportional to 31,793.49, 43,877.07 and 18,365.31 is: 25,345.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,793.49 : 43,877.07 = 18,365.31 : x
  2. Step 2: Convert to fraction form
    31,793.49/43,877.07 = 18,365.31/x
  3. Step 3: Cross multiply
    31,793.49x = 43,877.07 × 18,365.31
  4. Step 4: Simplify right side
    31,793.49x = 805,815,992.44
  5. Step 5: Solve for x
    x = 805,815,992.44/31,793.49
  6. Step 6: Final answer
    x = 25,345.31

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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.