Home / 31,310.19-46,964.64-7,617.86

Finding the Fourth Proportional to 31,310.19, 46,964.64 and 7,617.86

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Solution

The fourth proportional to 31,310.19, 46,964.64 and 7,617.86 is: 11,426.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,310.19 : 46,964.64 = 7,617.86 : x
  2. Step 2: Convert to fraction form
    31,310.19/46,964.64 = 7,617.86/x
  3. Step 3: Cross multiply
    31,310.19x = 46,964.64 × 7,617.86
  4. Step 4: Simplify right side
    31,310.19x = 357,770,243.66
  5. Step 5: Solve for x
    x = 357,770,243.66/31,310.19
  6. Step 6: Final answer
    x = 11,426.64

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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.