Home / 31,362.33-43,278.57-17,215.41

Finding the Fourth Proportional to 31,362.33, 43,278.57 and 17,215.41

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Solution

The fourth proportional to 31,362.33, 43,278.57 and 17,215.41 is: 23,756.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,362.33 : 43,278.57 = 17,215.41 : x
  2. Step 2: Convert to fraction form
    31,362.33/43,278.57 = 17,215.41/x
  3. Step 3: Cross multiply
    31,362.33x = 43,278.57 × 17,215.41
  4. Step 4: Simplify right side
    31,362.33x = 745,058,326.76
  5. Step 5: Solve for x
    x = 745,058,326.76/31,362.33
  6. Step 6: Final answer
    x = 23,756.47

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.