Home / 31,296.87-46,945.40-7,923.29

Finding the Fourth Proportional to 31,296.87, 46,945.40 and 7,923.29

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Solution

The fourth proportional to 31,296.87, 46,945.40 and 7,923.29 is: 11,884.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,296.87 : 46,945.40 = 7,923.29 : x
  2. Step 2: Convert to fraction form
    31,296.87/46,945.40 = 7,923.29/x
  3. Step 3: Cross multiply
    31,296.87x = 46,945.40 × 7,923.29
  4. Step 4: Simplify right side
    31,296.87x = 371,961,744.02
  5. Step 5: Solve for x
    x = 371,961,744.02/31,296.87
  6. Step 6: Final answer
    x = 11,884.95

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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.