Home / 30,296.30-41,808.42-16,868.66

Finding the Fourth Proportional to 30,296.30, 41,808.42 and 16,868.66

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Solution

The fourth proportional to 30,296.30, 41,808.42 and 16,868.66 is: 23,278.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,296.30 : 41,808.42 = 16,868.66 : x
  2. Step 2: Convert to fraction form
    30,296.30/41,808.42 = 16,868.66/x
  3. Step 3: Cross multiply
    30,296.30x = 41,808.42 × 16,868.66
  4. Step 4: Simplify right side
    30,296.30x = 705,251,813.08
  5. Step 5: Solve for x
    x = 705,251,813.08/30,296.30
  6. Step 6: Final answer
    x = 23,278.48

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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.