Home / 31,504.98-43,467.54-18,747.95

Finding the Fourth Proportional to 31,504.98, 43,467.54 and 18,747.95

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Solution

The fourth proportional to 31,504.98, 43,467.54 and 18,747.95 is: 25,866.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,504.98 : 43,467.54 = 18,747.95 : x
  2. Step 2: Convert to fraction form
    31,504.98/43,467.54 = 18,747.95/x
  3. Step 3: Cross multiply
    31,504.98x = 43,467.54 × 18,747.95
  4. Step 4: Simplify right side
    31,504.98x = 814,927,049.21
  5. Step 5: Solve for x
    x = 814,927,049.21/31,504.98
  6. Step 6: Final answer
    x = 25,866.61

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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.