Home / 31,005.52-46,508.28-7,631.96

Finding the Fourth Proportional to 31,005.52, 46,508.28 and 7,631.96

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Solution

The fourth proportional to 31,005.52, 46,508.28 and 7,631.96 is: 11,447.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,005.52 : 46,508.28 = 7,631.96 : x
  2. Step 2: Convert to fraction form
    31,005.52/46,508.28 = 7,631.96/x
  3. Step 3: Cross multiply
    31,005.52x = 46,508.28 × 7,631.96
  4. Step 4: Simplify right side
    31,005.52x = 354,949,245.87
  5. Step 5: Solve for x
    x = 354,949,245.87/31,005.52
  6. Step 6: Final answer
    x = 11,447.94

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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.