Home / 45,188.30-67,776.66-11,910.98

Finding the Fourth Proportional to 45,188.30, 67,776.66 and 11,910.98

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Solution

The fourth proportional to 45,188.30, 67,776.66 and 11,910.98 is: 17,864.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,188.30 : 67,776.66 = 11,910.98 : x
  2. Step 2: Convert to fraction form
    45,188.30/67,776.66 = 11,910.98/x
  3. Step 3: Cross multiply
    45,188.30x = 67,776.66 × 11,910.98
  4. Step 4: Simplify right side
    45,188.30x = 807,286,441.73
  5. Step 5: Solve for x
    x = 807,286,441.73/45,188.30
  6. Step 6: Final answer
    x = 17,864.94

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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.