Home / 29,076.22-40,130.42-17,138.86

Finding the Fourth Proportional to 29,076.22, 40,130.42 and 17,138.86

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Solution

The fourth proportional to 29,076.22, 40,130.42 and 17,138.86 is: 23,654.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,076.22 : 40,130.42 = 17,138.86 : x
  2. Step 2: Convert to fraction form
    29,076.22/40,130.42 = 17,138.86/x
  3. Step 3: Cross multiply
    29,076.22x = 40,130.42 × 17,138.86
  4. Step 4: Simplify right side
    29,076.22x = 687,789,650.12
  5. Step 5: Solve for x
    x = 687,789,650.12/29,076.22
  6. Step 6: Final answer
    x = 23,654.71

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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.