Home / 31,177.23-43,022.52-17,749.86

Finding the Fourth Proportional to 31,177.23, 43,022.52 and 17,749.86

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Solution

The fourth proportional to 31,177.23, 43,022.52 and 17,749.86 is: 24,493.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,177.23 : 43,022.52 = 17,749.86 : x
  2. Step 2: Convert to fraction form
    31,177.23/43,022.52 = 17,749.86/x
  3. Step 3: Cross multiply
    31,177.23x = 43,022.52 × 17,749.86
  4. Step 4: Simplify right side
    31,177.23x = 763,643,706.85
  5. Step 5: Solve for x
    x = 763,643,706.85/31,177.23
  6. Step 6: Final answer
    x = 24,493.64

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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.