Home / 30,150.50-41,607.70-16,723.82

Finding the Fourth Proportional to 30,150.50, 41,607.70 and 16,723.82

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Solution

The fourth proportional to 30,150.50, 41,607.70 and 16,723.82 is: 23,078.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,150.50 : 41,607.70 = 16,723.82 : x
  2. Step 2: Convert to fraction form
    30,150.50/41,607.70 = 16,723.82/x
  3. Step 3: Cross multiply
    30,150.50x = 41,607.70 × 16,723.82
  4. Step 4: Simplify right side
    30,150.50x = 695,839,685.41
  5. Step 5: Solve for x
    x = 695,839,685.41/30,150.50
  6. Step 6: Final answer
    x = 23,078.88

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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.