Home / 31,292.11-46,945.46-13,763.31

Finding the Fourth Proportional to 31,292.11, 46,945.46 and 13,763.31

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Solution

The fourth proportional to 31,292.11, 46,945.46 and 13,763.31 is: 20,648.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,292.11 : 46,945.46 = 13,763.31 : x
  2. Step 2: Convert to fraction form
    31,292.11/46,945.46 = 13,763.31/x
  3. Step 3: Cross multiply
    31,292.11x = 46,945.46 × 13,763.31
  4. Step 4: Simplify right side
    31,292.11x = 646,124,919.07
  5. Step 5: Solve for x
    x = 646,124,919.07/31,292.11
  6. Step 6: Final answer
    x = 20,648.17

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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.