Home / 29,660.05-40,931.03-16,739.43

Finding the Fourth Proportional to 29,660.05, 40,931.03 and 16,739.43

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Solution

The fourth proportional to 29,660.05, 40,931.03 and 16,739.43 is: 23,100.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,660.05 : 40,931.03 = 16,739.43 : x
  2. Step 2: Convert to fraction form
    29,660.05/40,931.03 = 16,739.43/x
  3. Step 3: Cross multiply
    29,660.05x = 40,931.03 × 16,739.43
  4. Step 4: Simplify right side
    29,660.05x = 685,162,027.82
  5. Step 5: Solve for x
    x = 685,162,027.82/29,660.05
  6. Step 6: Final answer
    x = 23,100.51

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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.