Home / 30,291.37-41,803.70-16,863.80

Finding the Fourth Proportional to 30,291.37, 41,803.70 and 16,863.80

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Solution

The fourth proportional to 30,291.37, 41,803.70 and 16,863.80 is: 23,272.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,291.37 : 41,803.70 = 16,863.80 : x
  2. Step 2: Convert to fraction form
    30,291.37/41,803.70 = 16,863.80/x
  3. Step 3: Cross multiply
    30,291.37x = 41,803.70 × 16,863.80
  4. Step 4: Simplify right side
    30,291.37x = 704,968,942.72
  5. Step 5: Solve for x
    x = 704,968,942.72/30,291.37
  6. Step 6: Final answer
    x = 23,272.93

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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.