Home / 31,272.23-43,155.74-16,932.22

Finding the Fourth Proportional to 31,272.23, 43,155.74 and 16,932.22

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Solution

The fourth proportional to 31,272.23, 43,155.74 and 16,932.22 is: 23,366.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,272.23 : 43,155.74 = 16,932.22 : x
  2. Step 2: Convert to fraction form
    31,272.23/43,155.74 = 16,932.22/x
  3. Step 3: Cross multiply
    31,272.23x = 43,155.74 × 16,932.22
  4. Step 4: Simplify right side
    31,272.23x = 730,722,418.38
  5. Step 5: Solve for x
    x = 730,722,418.38/31,272.23
  6. Step 6: Final answer
    x = 23,366.49

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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.