Home / 45,757.83-68,634.70-12,477.90

Finding the Fourth Proportional to 45,757.83, 68,634.70 and 12,477.90

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Solution

The fourth proportional to 45,757.83, 68,634.70 and 12,477.90 is: 18,716.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,757.83 : 68,634.70 = 12,477.90 : x
  2. Step 2: Convert to fraction form
    45,757.83/68,634.70 = 12,477.90/x
  3. Step 3: Cross multiply
    45,757.83x = 68,634.70 × 12,477.90
  4. Step 4: Simplify right side
    45,757.83x = 856,416,923.13
  5. Step 5: Solve for x
    x = 856,416,923.13/45,757.83
  6. Step 6: Final answer
    x = 18,716.29

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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.