Home / 21,481.88-29,645.19-12,050.64

Finding the Fourth Proportional to 21,481.88, 29,645.19 and 12,050.64

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Solution

The fourth proportional to 21,481.88, 29,645.19 and 12,050.64 is: 16,630.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,481.88 : 29,645.19 = 12,050.64 : x
  2. Step 2: Convert to fraction form
    21,481.88/29,645.19 = 12,050.64/x
  3. Step 3: Cross multiply
    21,481.88x = 29,645.19 × 12,050.64
  4. Step 4: Simplify right side
    21,481.88x = 357,243,512.42
  5. Step 5: Solve for x
    x = 357,243,512.42/21,481.88
  6. Step 6: Final answer
    x = 16,630.00

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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.