Home / 30,051.46-41,469.60-16,439.21

Finding the Fourth Proportional to 30,051.46, 41,469.60 and 16,439.21

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Solution

The fourth proportional to 30,051.46, 41,469.60 and 16,439.21 is: 22,685.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,051.46 : 41,469.60 = 16,439.21 : x
  2. Step 2: Convert to fraction form
    30,051.46/41,469.60 = 16,439.21/x
  3. Step 3: Cross multiply
    30,051.46x = 41,469.60 × 16,439.21
  4. Step 4: Simplify right side
    30,051.46x = 681,727,463.02
  5. Step 5: Solve for x
    x = 681,727,463.02/30,051.46
  6. Step 6: Final answer
    x = 22,685.34

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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.