Home / 31,364.40-47,046.33-13,834.25

Finding the Fourth Proportional to 31,364.40, 47,046.33 and 13,834.25

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Solution

The fourth proportional to 31,364.40, 47,046.33 and 13,834.25 is: 20,751.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,364.40 : 47,046.33 = 13,834.25 : x
  2. Step 2: Convert to fraction form
    31,364.40/47,046.33 = 13,834.25/x
  3. Step 3: Cross multiply
    31,364.40x = 47,046.33 × 13,834.25
  4. Step 4: Simplify right side
    31,364.40x = 650,850,455.57
  5. Step 5: Solve for x
    x = 650,850,455.57/31,364.40
  6. Step 6: Final answer
    x = 20,751.25

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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.