Home / 45,610.20-68,419.62-18,950.58

Finding the Fourth Proportional to 45,610.20, 68,419.62 and 18,950.58

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Solution

The fourth proportional to 45,610.20, 68,419.62 and 18,950.58 is: 28,427.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,610.20 : 68,419.62 = 18,950.58 : x
  2. Step 2: Convert to fraction form
    45,610.20/68,419.62 = 18,950.58/x
  3. Step 3: Cross multiply
    45,610.20x = 68,419.62 × 18,950.58
  4. Step 4: Simplify right side
    45,610.20x = 1,296,591,482.38
  5. Step 5: Solve for x
    x = 1,296,591,482.38/45,610.20
  6. Step 6: Final answer
    x = 28,427.66

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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.