Home / 45,635.60-68,452.44-21,011.60

Finding the Fourth Proportional to 45,635.60, 68,452.44 and 21,011.60

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Solution

The fourth proportional to 45,635.60, 68,452.44 and 21,011.60 is: 31,516.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,635.60 : 68,452.44 = 21,011.60 : x
  2. Step 2: Convert to fraction form
    45,635.60/68,452.44 = 21,011.60/x
  3. Step 3: Cross multiply
    45,635.60x = 68,452.44 × 21,011.60
  4. Step 4: Simplify right side
    45,635.60x = 1,438,295,288.30
  5. Step 5: Solve for x
    x = 1,438,295,288.30/45,635.60
  6. Step 6: Final answer
    x = 31,516.96

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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.