Home / 30,261.80-41,760.68-16,832.78

Finding the Fourth Proportional to 30,261.80, 41,760.68 and 16,832.78

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Solution

The fourth proportional to 30,261.80, 41,760.68 and 16,832.78 is: 23,228.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,261.80 : 41,760.68 = 16,832.78 : x
  2. Step 2: Convert to fraction form
    30,261.80/41,760.68 = 16,832.78/x
  3. Step 3: Cross multiply
    30,261.80x = 41,760.68 × 16,832.78
  4. Step 4: Simplify right side
    30,261.80x = 702,948,339.09
  5. Step 5: Solve for x
    x = 702,948,339.09/30,261.80
  6. Step 6: Final answer
    x = 23,228.90

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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.