Home / 30,997.27-42,776.51-16,850.14

Finding the Fourth Proportional to 30,997.27, 42,776.51 and 16,850.14

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Solution

The fourth proportional to 30,997.27, 42,776.51 and 16,850.14 is: 23,253.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,997.27 : 42,776.51 = 16,850.14 : x
  2. Step 2: Convert to fraction form
    30,997.27/42,776.51 = 16,850.14/x
  3. Step 3: Cross multiply
    30,997.27x = 42,776.51 × 16,850.14
  4. Step 4: Simplify right side
    30,997.27x = 720,789,884.08
  5. Step 5: Solve for x
    x = 720,789,884.08/30,997.27
  6. Step 6: Final answer
    x = 23,253.34

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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.