Home / 31,695.27-47,448.19-19,177.46

Finding the Fourth Proportional to 31,695.27, 47,448.19 and 19,177.46

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Solution

The fourth proportional to 31,695.27, 47,448.19 and 19,177.46 is: 28,708.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,695.27 : 47,448.19 = 19,177.46 : x
  2. Step 2: Convert to fraction form
    31,695.27/47,448.19 = 19,177.46/x
  3. Step 3: Cross multiply
    31,695.27x = 47,448.19 × 19,177.46
  4. Step 4: Simplify right side
    31,695.27x = 909,935,765.80
  5. Step 5: Solve for x
    x = 909,935,765.80/31,695.27
  6. Step 6: Final answer
    x = 28,708.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.