Home / 45,738.88-68,607.48-12,458.44

Finding the Fourth Proportional to 45,738.88, 68,607.48 and 12,458.44

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Solution

The fourth proportional to 45,738.88, 68,607.48 and 12,458.44 is: 18,687.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,738.88 : 68,607.48 = 12,458.44 : x
  2. Step 2: Convert to fraction form
    45,738.88/68,607.48 = 12,458.44/x
  3. Step 3: Cross multiply
    45,738.88x = 68,607.48 × 12,458.44
  4. Step 4: Simplify right side
    45,738.88x = 854,742,173.13
  5. Step 5: Solve for x
    x = 854,742,173.13/45,738.88
  6. Step 6: Final answer
    x = 18,687.43

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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.