Home / 45,288.46-67,910.83-18,986.14

Finding the Fourth Proportional to 45,288.46, 67,910.83 and 18,986.14

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Solution

The fourth proportional to 45,288.46, 67,910.83 and 18,986.14 is: 28,470.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,288.46 : 67,910.83 = 18,986.14 : x
  2. Step 2: Convert to fraction form
    45,288.46/67,910.83 = 18,986.14/x
  3. Step 3: Cross multiply
    45,288.46x = 67,910.83 × 18,986.14
  4. Step 4: Simplify right side
    45,288.46x = 1,289,364,525.90
  5. Step 5: Solve for x
    x = 1,289,364,525.90/45,288.46
  6. Step 6: Final answer
    x = 28,470.05

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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.