Home / 31,294.76-46,909.33-14,640.75

Finding the Fourth Proportional to 31,294.76, 46,909.33 and 14,640.75

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Solution

The fourth proportional to 31,294.76, 46,909.33 and 14,640.75 is: 21,945.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,294.76 : 46,909.33 = 14,640.75 : x
  2. Step 2: Convert to fraction form
    31,294.76/46,909.33 = 14,640.75/x
  3. Step 3: Cross multiply
    31,294.76x = 46,909.33 × 14,640.75
  4. Step 4: Simplify right side
    31,294.76x = 686,787,736.60
  5. Step 5: Solve for x
    x = 686,787,736.60/31,294.76
  6. Step 6: Final answer
    x = 21,945.78

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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.