Home / 31,256.91-43,135.07-17,110.53

Finding the Fourth Proportional to 31,256.91, 43,135.07 and 17,110.53

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Solution

The fourth proportional to 31,256.91, 43,135.07 and 17,110.53 is: 23,612.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,256.91 : 43,135.07 = 17,110.53 : x
  2. Step 2: Convert to fraction form
    31,256.91/43,135.07 = 17,110.53/x
  3. Step 3: Cross multiply
    31,256.91x = 43,135.07 × 17,110.53
  4. Step 4: Simplify right side
    31,256.91x = 738,063,823.73
  5. Step 5: Solve for x
    x = 738,063,823.73/31,256.91
  6. Step 6: Final answer
    x = 23,612.82

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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.