Home / 45,319.20-67,869.41-27,255.48

Finding the Fourth Proportional to 45,319.20, 67,869.41 and 27,255.48

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Solution

The fourth proportional to 45,319.20, 67,869.41 and 27,255.48 is: 40,817.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,319.20 : 67,869.41 = 27,255.48 : x
  2. Step 2: Convert to fraction form
    45,319.20/67,869.41 = 27,255.48/x
  3. Step 3: Cross multiply
    45,319.20x = 67,869.41 × 27,255.48
  4. Step 4: Simplify right side
    45,319.20x = 1,849,813,346.87
  5. Step 5: Solve for x
    x = 1,849,813,346.87/45,319.20
  6. Step 6: Final answer
    x = 40,817.43

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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.