Home / 30,181.81-41,650.49-16,753.03

Finding the Fourth Proportional to 30,181.81, 41,650.49 and 16,753.03

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Solution

The fourth proportional to 30,181.81, 41,650.49 and 16,753.03 is: 23,118.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,181.81 : 41,650.49 = 16,753.03 : x
  2. Step 2: Convert to fraction form
    30,181.81/41,650.49 = 16,753.03/x
  3. Step 3: Cross multiply
    30,181.81x = 41,650.49 × 16,753.03
  4. Step 4: Simplify right side
    30,181.81x = 697,771,908.48
  5. Step 5: Solve for x
    x = 697,771,908.48/30,181.81
  6. Step 6: Final answer
    x = 23,118.96

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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.