Home / 30,983.44-42,757.25-16,836.28

Finding the Fourth Proportional to 30,983.44, 42,757.25 and 16,836.28

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Solution

The fourth proportional to 30,983.44, 42,757.25 and 16,836.28 is: 23,234.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,983.44 : 42,757.25 = 16,836.28 : x
  2. Step 2: Convert to fraction form
    30,983.44/42,757.25 = 16,836.28/x
  3. Step 3: Cross multiply
    30,983.44x = 42,757.25 × 16,836.28
  4. Step 4: Simplify right side
    30,983.44x = 719,872,819.24
  5. Step 5: Solve for x
    x = 719,872,819.24/30,983.44
  6. Step 6: Final answer
    x = 23,234.12

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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.