Home / 31,135.88-46,704.22-10,359.38

Finding the Fourth Proportional to 31,135.88, 46,704.22 and 10,359.38

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Solution

The fourth proportional to 31,135.88, 46,704.22 and 10,359.38 is: 15,539.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,135.88 : 46,704.22 = 10,359.38 : x
  2. Step 2: Convert to fraction form
    31,135.88/46,704.22 = 10,359.38/x
  3. Step 3: Cross multiply
    31,135.88x = 46,704.22 × 10,359.38
  4. Step 4: Simplify right side
    31,135.88x = 483,826,529.06
  5. Step 5: Solve for x
    x = 483,826,529.06/31,135.88
  6. Step 6: Final answer
    x = 15,539.20

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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.