Home / 30,340.01-41,869.40-16,912.11

Finding the Fourth Proportional to 30,340.01, 41,869.40 and 16,912.11

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Solution

The fourth proportional to 30,340.01, 41,869.40 and 16,912.11 is: 23,338.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,340.01 : 41,869.40 = 16,912.11 : x
  2. Step 2: Convert to fraction form
    30,340.01/41,869.40 = 16,912.11/x
  3. Step 3: Cross multiply
    30,340.01x = 41,869.40 × 16,912.11
  4. Step 4: Simplify right side
    30,340.01x = 708,099,813.87
  5. Step 5: Solve for x
    x = 708,099,813.87/30,340.01
  6. Step 6: Final answer
    x = 23,338.82

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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.