Home / 31,710.89-47,568.33-10,649.27

Finding the Fourth Proportional to 31,710.89, 47,568.33 and 10,649.27

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Solution

The fourth proportional to 31,710.89, 47,568.33 and 10,649.27 is: 15,974.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,710.89 : 47,568.33 = 10,649.27 : x
  2. Step 2: Convert to fraction form
    31,710.89/47,568.33 = 10,649.27/x
  3. Step 3: Cross multiply
    31,710.89x = 47,568.33 × 10,649.27
  4. Step 4: Simplify right side
    31,710.89x = 506,568,108.54
  5. Step 5: Solve for x
    x = 506,568,108.54/31,710.89
  6. Step 6: Final answer
    x = 15,974.58

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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.