Home / 29,138.08-40,208.48-17,200.80

Finding the Fourth Proportional to 29,138.08, 40,208.48 and 17,200.80

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Solution

The fourth proportional to 29,138.08, 40,208.48 and 17,200.80 is: 23,735.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,138.08 : 40,208.48 = 17,200.80 : x
  2. Step 2: Convert to fraction form
    29,138.08/40,208.48 = 17,200.80/x
  3. Step 3: Cross multiply
    29,138.08x = 40,208.48 × 17,200.80
  4. Step 4: Simplify right side
    29,138.08x = 691,618,022.78
  5. Step 5: Solve for x
    x = 691,618,022.78/29,138.08
  6. Step 6: Final answer
    x = 23,735.88

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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.