Home / 45,290-67,942.68-14,119.04

Finding the Fourth Proportional to 45,290, 67,942.68 and 14,119.04

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Solution

The fourth proportional to 45,290, 67,942.68 and 14,119.04 is: 21,180.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,290 : 67,942.68 = 14,119.04 : x
  2. Step 2: Convert to fraction form
    45,290/67,942.68 = 14,119.04/x
  3. Step 3: Cross multiply
    45,290x = 67,942.68 × 14,119.04
  4. Step 4: Simplify right side
    45,290x = 959,285,416.63
  5. Step 5: Solve for x
    x = 959,285,416.63/45,290
  6. Step 6: Final answer
    x = 21,180.95

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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.