Home / 30,086.61-41,519.86-16,659.11

Finding the Fourth Proportional to 30,086.61, 41,519.86 and 16,659.11

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Solution

The fourth proportional to 30,086.61, 41,519.86 and 16,659.11 is: 22,989.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,086.61 : 41,519.86 = 16,659.11 : x
  2. Step 2: Convert to fraction form
    30,086.61/41,519.86 = 16,659.11/x
  3. Step 3: Cross multiply
    30,086.61x = 41,519.86 × 16,659.11
  4. Step 4: Simplify right side
    30,086.61x = 691,683,665.68
  5. Step 5: Solve for x
    x = 691,683,665.68/30,086.61
  6. Step 6: Final answer
    x = 22,989.75

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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.