Home / 30,101.50-41,539.61-16,489.44

Finding the Fourth Proportional to 30,101.50, 41,539.61 and 16,489.44

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Solution

The fourth proportional to 30,101.50, 41,539.61 and 16,489.44 is: 22,755.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,101.50 : 41,539.61 = 16,489.44 : x
  2. Step 2: Convert to fraction form
    30,101.50/41,539.61 = 16,489.44/x
  3. Step 3: Cross multiply
    30,101.50x = 41,539.61 × 16,489.44
  4. Step 4: Simplify right side
    30,101.50x = 684,964,947.94
  5. Step 5: Solve for x
    x = 684,964,947.94/30,101.50
  6. Step 6: Final answer
    x = 22,755.18

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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.