Home / 45,507.20-68,260.82-14,344.88

Finding the Fourth Proportional to 45,507.20, 68,260.82 and 14,344.88

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Solution

The fourth proportional to 45,507.20, 68,260.82 and 14,344.88 is: 21,517.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,507.20 : 68,260.82 = 14,344.88 : x
  2. Step 2: Convert to fraction form
    45,507.20/68,260.82 = 14,344.88/x
  3. Step 3: Cross multiply
    45,507.20x = 68,260.82 × 14,344.88
  4. Step 4: Simplify right side
    45,507.20x = 979,192,858.57
  5. Step 5: Solve for x
    x = 979,192,858.57/45,507.20
  6. Step 6: Final answer
    x = 21,517.32

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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.