Home / 34,665.57-47,845.89-21,910.64

Finding the Fourth Proportional to 34,665.57, 47,845.89 and 21,910.64

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Solution

The fourth proportional to 34,665.57, 47,845.89 and 21,910.64 is: 30,241.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,665.57 : 47,845.89 = 21,910.64 : x
  2. Step 2: Convert to fraction form
    34,665.57/47,845.89 = 21,910.64/x
  3. Step 3: Cross multiply
    34,665.57x = 47,845.89 × 21,910.64
  4. Step 4: Simplify right side
    34,665.57x = 1,048,333,832.04
  5. Step 5: Solve for x
    x = 1,048,333,832.04/34,665.57
  6. Step 6: Final answer
    x = 30,241.36

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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.