Home / 31,278.97-46,906.66-10,214.11

Finding the Fourth Proportional to 31,278.97, 46,906.66 and 10,214.11

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Solution

The fourth proportional to 31,278.97, 46,906.66 and 10,214.11 is: 15,317.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,278.97 : 46,906.66 = 10,214.11 : x
  2. Step 2: Convert to fraction form
    31,278.97/46,906.66 = 10,214.11/x
  3. Step 3: Cross multiply
    31,278.97x = 46,906.66 × 10,214.11
  4. Step 4: Simplify right side
    31,278.97x = 479,109,784.97
  5. Step 5: Solve for x
    x = 479,109,784.97/31,278.97
  6. Step 6: Final answer
    x = 15,317.31

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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.