Home / 30,338.81-41,869.00-16,910.16

Finding the Fourth Proportional to 30,338.81, 41,869.00 and 16,910.16

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Solution

The fourth proportional to 30,338.81, 41,869.00 and 16,910.16 is: 23,336.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,338.81 : 41,869.00 = 16,910.16 : x
  2. Step 2: Convert to fraction form
    30,338.81/41,869.00 = 16,910.16/x
  3. Step 3: Cross multiply
    30,338.81x = 41,869.00 × 16,910.16
  4. Step 4: Simplify right side
    30,338.81x = 708,011,493.56
  5. Step 5: Solve for x
    x = 708,011,493.56/30,338.81
  6. Step 6: Final answer
    x = 23,336.83

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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.