Home / 29,865.90-41,215.30-17,119.64

Finding the Fourth Proportional to 29,865.90, 41,215.30 and 17,119.64

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Solution

The fourth proportional to 29,865.90, 41,215.30 and 17,119.64 is: 23,625.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,865.90 : 41,215.30 = 17,119.64 : x
  2. Step 2: Convert to fraction form
    29,865.90/41,215.30 = 17,119.64/x
  3. Step 3: Cross multiply
    29,865.90x = 41,215.30 × 17,119.64
  4. Step 4: Simplify right side
    29,865.90x = 705,591,098.49
  5. Step 5: Solve for x
    x = 705,591,098.49/29,865.90
  6. Step 6: Final answer
    x = 23,625.31

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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.