Home / 30,896.42-42,635.92-16,748.96

Finding the Fourth Proportional to 30,896.42, 42,635.92 and 16,748.96

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Solution

The fourth proportional to 30,896.42, 42,635.92 and 16,748.96 is: 23,112.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,896.42 : 42,635.92 = 16,748.96 : x
  2. Step 2: Convert to fraction form
    30,896.42/42,635.92 = 16,748.96/x
  3. Step 3: Cross multiply
    30,896.42x = 42,635.92 × 16,748.96
  4. Step 4: Simplify right side
    30,896.42x = 714,107,234.90
  5. Step 5: Solve for x
    x = 714,107,234.90/30,896.42
  6. Step 6: Final answer
    x = 23,112.94

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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.