Home / 30,102.00-41,540.30-16,489.94

Finding the Fourth Proportional to 30,102.00, 41,540.30 and 16,489.94

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Solution

The fourth proportional to 30,102.00, 41,540.30 and 16,489.94 is: 22,755.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,102.00 : 41,540.30 = 16,489.94 : x
  2. Step 2: Convert to fraction form
    30,102.00/41,540.30 = 16,489.94/x
  3. Step 3: Cross multiply
    30,102.00x = 41,540.30 × 16,489.94
  4. Step 4: Simplify right side
    30,102.00x = 684,997,095.81
  5. Step 5: Solve for x
    x = 684,997,095.81/30,102.00
  6. Step 6: Final answer
    x = 22,755.86

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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.