Home / 45,719.92-68,694.90-29,087.38

Finding the Fourth Proportional to 45,719.92, 68,694.90 and 29,087.38

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Solution

The fourth proportional to 45,719.92, 68,694.90 and 29,087.38 is: 43,704.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,719.92 : 68,694.90 = 29,087.38 : x
  2. Step 2: Convert to fraction form
    45,719.92/68,694.90 = 29,087.38/x
  3. Step 3: Cross multiply
    45,719.92x = 68,694.90 × 29,087.38
  4. Step 4: Simplify right side
    45,719.92x = 1,998,154,660.36
  5. Step 5: Solve for x
    x = 1,998,154,660.36/45,719.92
  6. Step 6: Final answer
    x = 43,704.25

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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.