Home / 31,181.54-43,028.50-17,034.38

Finding the Fourth Proportional to 31,181.54, 43,028.50 and 17,034.38

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Solution

The fourth proportional to 31,181.54, 43,028.50 and 17,034.38 is: 23,506.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,181.54 : 43,028.50 = 17,034.38 : x
  2. Step 2: Convert to fraction form
    31,181.54/43,028.50 = 17,034.38/x
  3. Step 3: Cross multiply
    31,181.54x = 43,028.50 × 17,034.38
  4. Step 4: Simplify right side
    31,181.54x = 732,963,819.83
  5. Step 5: Solve for x
    x = 732,963,819.83/31,181.54
  6. Step 6: Final answer
    x = 23,506.34

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1.5x scale

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.