Home / 45,251.28-67,858.74-13,651.56

Finding the Fourth Proportional to 45,251.28, 67,858.74 and 13,651.56

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Solution

The fourth proportional to 45,251.28, 67,858.74 and 13,651.56 is: 20,471.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,251.28 : 67,858.74 = 13,651.56 : x
  2. Step 2: Convert to fraction form
    45,251.28/67,858.74 = 13,651.56/x
  3. Step 3: Cross multiply
    45,251.28x = 67,858.74 × 13,651.56
  4. Step 4: Simplify right side
    45,251.28x = 926,377,660.63
  5. Step 5: Solve for x
    x = 926,377,660.63/45,251.28
  6. Step 6: Final answer
    x = 20,471.86

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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.