Home / 31,649.28-47,484.87-11,933.48

Finding the Fourth Proportional to 31,649.28, 47,484.87 and 11,933.48

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Solution

The fourth proportional to 31,649.28, 47,484.87 and 11,933.48 is: 17,904.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,649.28 : 47,484.87 = 11,933.48 : x
  2. Step 2: Convert to fraction form
    31,649.28/47,484.87 = 11,933.48/x
  3. Step 3: Cross multiply
    31,649.28x = 47,484.87 × 11,933.48
  4. Step 4: Simplify right side
    31,649.28x = 566,659,553.31
  5. Step 5: Solve for x
    x = 566,659,553.31/31,649.28
  6. Step 6: Final answer
    x = 17,904.34

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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.