Home / 31,481.58-47,230.53-13,947.24

Finding the Fourth Proportional to 31,481.58, 47,230.53 and 13,947.24

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Solution

The fourth proportional to 31,481.58, 47,230.53 and 13,947.24 is: 20,924.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,481.58 : 47,230.53 = 13,947.24 : x
  2. Step 2: Convert to fraction form
    31,481.58/47,230.53 = 13,947.24/x
  3. Step 3: Cross multiply
    31,481.58x = 47,230.53 × 13,947.24
  4. Step 4: Simplify right side
    31,481.58x = 658,735,537.24
  5. Step 5: Solve for x
    x = 658,735,537.24/31,481.58
  6. Step 6: Final answer
    x = 20,924.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.