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Finding the Fourth Proportional to 45,910.80, 68,808.80 and 19,584.80

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Solution

The fourth proportional to 45,910.80, 68,808.80 and 19,584.80 is: 29,352.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,910.80 : 68,808.80 = 19,584.80 : x
  2. Step 2: Convert to fraction form
    45,910.80/68,808.80 = 19,584.80/x
  3. Step 3: Cross multiply
    45,910.80x = 68,808.80 × 19,584.80
  4. Step 4: Simplify right side
    45,910.80x = 1,347,606,586.24
  5. Step 5: Solve for x
    x = 1,347,606,586.24/45,910.80
  6. Step 6: Final answer
    x = 29,352.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.