Home / 31,181.86-43,029.35-17,031.97

Finding the Fourth Proportional to 31,181.86, 43,029.35 and 17,031.97

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Solution

The fourth proportional to 31,181.86, 43,029.35 and 17,031.97 is: 23,503.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,181.86 : 43,029.35 = 17,031.97 : x
  2. Step 2: Convert to fraction form
    31,181.86/43,029.35 = 17,031.97/x
  3. Step 3: Cross multiply
    31,181.86x = 43,029.35 × 17,031.97
  4. Step 4: Simplify right side
    31,181.86x = 732,874,598.32
  5. Step 5: Solve for x
    x = 732,874,598.32/31,181.86
  6. Step 6: Final answer
    x = 23,503.24

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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.