Home / 45,658.10-68,427.81-18,608.85

Finding the Fourth Proportional to 45,658.10, 68,427.81 and 18,608.85

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Solution

The fourth proportional to 45,658.10, 68,427.81 and 18,608.85 is: 27,889.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,658.10 : 68,427.81 = 18,608.85 : x
  2. Step 2: Convert to fraction form
    45,658.10/68,427.81 = 18,608.85/x
  3. Step 3: Cross multiply
    45,658.10x = 68,427.81 × 18,608.85
  4. Step 4: Simplify right side
    45,658.10x = 1,273,362,852.12
  5. Step 5: Solve for x
    x = 1,273,362,852.12/45,658.10
  6. Step 6: Final answer
    x = 27,889.09

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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.