Home / 29,120.24-40,181.88-16,371.64

Finding the Fourth Proportional to 29,120.24, 40,181.88 and 16,371.64

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Solution

The fourth proportional to 29,120.24, 40,181.88 and 16,371.64 is: 22,590.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,120.24 : 40,181.88 = 16,371.64 : x
  2. Step 2: Convert to fraction form
    29,120.24/40,181.88 = 16,371.64/x
  3. Step 3: Cross multiply
    29,120.24x = 40,181.88 × 16,371.64
  4. Step 4: Simplify right side
    29,120.24x = 657,843,273.88
  5. Step 5: Solve for x
    x = 657,843,273.88/29,120.24
  6. Step 6: Final answer
    x = 22,590.59

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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.