Home / 31,146.39-46,644.26-21,795.75

Finding the Fourth Proportional to 31,146.39, 46,644.26 and 21,795.75

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Solution

The fourth proportional to 31,146.39, 46,644.26 and 21,795.75 is: 32,640.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,146.39 : 46,644.26 = 21,795.75 : x
  2. Step 2: Convert to fraction form
    31,146.39/46,644.26 = 21,795.75/x
  3. Step 3: Cross multiply
    31,146.39x = 46,644.26 × 21,795.75
  4. Step 4: Simplify right side
    31,146.39x = 1,016,646,520.92
  5. Step 5: Solve for x
    x = 1,016,646,520.92/31,146.39
  6. Step 6: Final answer
    x = 32,640.91

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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.