Home / 31,361.58-47,043.81-9,176.87

Finding the Fourth Proportional to 31,361.58, 47,043.81 and 9,176.87

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Solution

The fourth proportional to 31,361.58, 47,043.81 and 9,176.87 is: 13,765.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,361.58 : 47,043.81 = 9,176.87 : x
  2. Step 2: Convert to fraction form
    31,361.58/47,043.81 = 9,176.87/x
  3. Step 3: Cross multiply
    31,361.58x = 47,043.81 × 9,176.87
  4. Step 4: Simplify right side
    31,361.58x = 431,715,046.28
  5. Step 5: Solve for x
    x = 431,715,046.28/31,361.58
  6. Step 6: Final answer
    x = 13,765.73

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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.