Home / 31,521.88-43,496.76-17,372

Finding the Fourth Proportional to 31,521.88, 43,496.76 and 17,372

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Solution

The fourth proportional to 31,521.88, 43,496.76 and 17,372 is: 23,971.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,521.88 : 43,496.76 = 17,372 : x
  2. Step 2: Convert to fraction form
    31,521.88/43,496.76 = 17,372/x
  3. Step 3: Cross multiply
    31,521.88x = 43,496.76 × 17,372
  4. Step 4: Simplify right side
    31,521.88x = 755,625,714.72
  5. Step 5: Solve for x
    x = 755,625,714.72/31,521.88
  6. Step 6: Final answer
    x = 23,971.47

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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.