Home / 45,729.21-68,597.94-12,449.46

Finding the Fourth Proportional to 45,729.21, 68,597.94 and 12,449.46

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Solution

The fourth proportional to 45,729.21, 68,597.94 and 12,449.46 is: 18,675.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,729.21 : 68,597.94 = 12,449.46 : x
  2. Step 2: Convert to fraction form
    45,729.21/68,597.94 = 12,449.46/x
  3. Step 3: Cross multiply
    45,729.21x = 68,597.94 × 12,449.46
  4. Step 4: Simplify right side
    45,729.21x = 854,007,310.11
  5. Step 5: Solve for x
    x = 854,007,310.11/45,729.21
  6. Step 6: Final answer
    x = 18,675.31

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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.