Home / 30,164.30-41,631.72-16,739.88

Finding the Fourth Proportional to 30,164.30, 41,631.72 and 16,739.88

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Solution

The fourth proportional to 30,164.30, 41,631.72 and 16,739.88 is: 23,103.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,164.30 : 41,631.72 = 16,739.88 : x
  2. Step 2: Convert to fraction form
    30,164.30/41,631.72 = 16,739.88/x
  3. Step 3: Cross multiply
    30,164.30x = 41,631.72 × 16,739.88
  4. Step 4: Simplify right side
    30,164.30x = 696,909,996.99
  5. Step 5: Solve for x
    x = 696,909,996.99/30,164.30
  6. Step 6: Final answer
    x = 23,103.80

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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.