Home / 31,296.85-46,945.31-7,923.29

Finding the Fourth Proportional to 31,296.85, 46,945.31 and 7,923.29

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Solution

The fourth proportional to 31,296.85, 46,945.31 and 7,923.29 is: 11,884.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,296.85 : 46,945.31 = 7,923.29 : x
  2. Step 2: Convert to fraction form
    31,296.85/46,945.31 = 7,923.29/x
  3. Step 3: Cross multiply
    31,296.85x = 46,945.31 × 7,923.29
  4. Step 4: Simplify right side
    31,296.85x = 371,961,030.93
  5. Step 5: Solve for x
    x = 371,961,030.93/31,296.85
  6. Step 6: Final answer
    x = 11,884.94

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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.