Home / 45,682.92-68,507.10-19,400.04

Finding the Fourth Proportional to 45,682.92, 68,507.10 and 19,400.04

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Solution

The fourth proportional to 45,682.92, 68,507.10 and 19,400.04 is: 29,092.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,682.92 : 68,507.10 = 19,400.04 : x
  2. Step 2: Convert to fraction form
    45,682.92/68,507.10 = 19,400.04/x
  3. Step 3: Cross multiply
    45,682.92x = 68,507.10 × 19,400.04
  4. Step 4: Simplify right side
    45,682.92x = 1,329,040,480.28
  5. Step 5: Solve for x
    x = 1,329,040,480.28/45,682.92
  6. Step 6: Final answer
    x = 29,092.72

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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.