Home / 31,384.13-43,310.09-17,237.88

Finding the Fourth Proportional to 31,384.13, 43,310.09 and 17,237.88

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Solution

The fourth proportional to 31,384.13, 43,310.09 and 17,237.88 is: 23,788.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,384.13 : 43,310.09 = 17,237.88 : x
  2. Step 2: Convert to fraction form
    31,384.13/43,310.09 = 17,237.88/x
  3. Step 3: Cross multiply
    31,384.13x = 43,310.09 × 17,237.88
  4. Step 4: Simplify right side
    31,384.13x = 746,574,177.30
  5. Step 5: Solve for x
    x = 746,574,177.30/31,384.13
  6. Step 6: Final answer
    x = 23,788.27

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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.