Home / 29,946.54-41,339.82-21,338.28

Finding the Fourth Proportional to 29,946.54, 41,339.82 and 21,338.28

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Solution

The fourth proportional to 29,946.54, 41,339.82 and 21,338.28 is: 29,456.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,946.54 : 41,339.82 = 21,338.28 : x
  2. Step 2: Convert to fraction form
    29,946.54/41,339.82 = 21,338.28/x
  3. Step 3: Cross multiply
    29,946.54x = 41,339.82 × 21,338.28
  4. Step 4: Simplify right side
    29,946.54x = 882,120,654.31
  5. Step 5: Solve for x
    x = 882,120,654.31/29,946.54
  6. Step 6: Final answer
    x = 29,456.51

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Double scale
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1.5x scale

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.