Home / 31,418.58-43,356.53-17,271.32

Finding the Fourth Proportional to 31,418.58, 43,356.53 and 17,271.32

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Solution

The fourth proportional to 31,418.58, 43,356.53 and 17,271.32 is: 23,833.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,418.58 : 43,356.53 = 17,271.32 : x
  2. Step 2: Convert to fraction form
    31,418.58/43,356.53 = 17,271.32/x
  3. Step 3: Cross multiply
    31,418.58x = 43,356.53 × 17,271.32
  4. Step 4: Simplify right side
    31,418.58x = 748,824,286.94
  5. Step 5: Solve for x
    x = 748,824,286.94/31,418.58
  6. Step 6: Final answer
    x = 23,833.81

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Why These Related Problems?

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