Home / 30,181.80-41,650.50-16,753.02

Finding the Fourth Proportional to 30,181.80, 41,650.50 and 16,753.02

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Solution

The fourth proportional to 30,181.80, 41,650.50 and 16,753.02 is: 23,118.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,181.80 : 41,650.50 = 16,753.02 : x
  2. Step 2: Convert to fraction form
    30,181.80/41,650.50 = 16,753.02/x
  3. Step 3: Cross multiply
    30,181.80x = 41,650.50 × 16,753.02
  4. Step 4: Simplify right side
    30,181.80x = 697,771,659.51
  5. Step 5: Solve for x
    x = 697,771,659.51/30,181.80
  6. Step 6: Final answer
    x = 23,118.95

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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.