Home / 34,940.40-48,221.60-21,508.96

Finding the Fourth Proportional to 34,940.40, 48,221.60 and 21,508.96

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Solution

The fourth proportional to 34,940.40, 48,221.60 and 21,508.96 is: 29,684.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,940.40 : 48,221.60 = 21,508.96 : x
  2. Step 2: Convert to fraction form
    34,940.40/48,221.60 = 21,508.96/x
  3. Step 3: Cross multiply
    34,940.40x = 48,221.60 × 21,508.96
  4. Step 4: Simplify right side
    34,940.40x = 1,037,196,465.54
  5. Step 5: Solve for x
    x = 1,037,196,465.54/34,940.40
  6. Step 6: Final answer
    x = 29,684.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.