Home / 31,516.23-43,493.31-17,370

Finding the Fourth Proportional to 31,516.23, 43,493.31 and 17,370

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Solution

The fourth proportional to 31,516.23, 43,493.31 and 17,370 is: 23,971.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,516.23 : 43,493.31 = 17,370 : x
  2. Step 2: Convert to fraction form
    31,516.23/43,493.31 = 17,370/x
  3. Step 3: Cross multiply
    31,516.23x = 43,493.31 × 17,370
  4. Step 4: Simplify right side
    31,516.23x = 755,478,794.70
  5. Step 5: Solve for x
    x = 755,478,794.70/31,516.23
  6. Step 6: Final answer
    x = 23,971.10

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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.