Home / 31,376.54-43,299.54-18,801.29

Finding the Fourth Proportional to 31,376.54, 43,299.54 and 18,801.29

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Solution

The fourth proportional to 31,376.54, 43,299.54 and 18,801.29 is: 25,945.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,376.54 : 43,299.54 = 18,801.29 : x
  2. Step 2: Convert to fraction form
    31,376.54/43,299.54 = 18,801.29/x
  3. Step 3: Cross multiply
    31,376.54x = 43,299.54 × 18,801.29
  4. Step 4: Simplify right side
    31,376.54x = 814,086,991.91
  5. Step 5: Solve for x
    x = 814,086,991.91/31,376.54
  6. Step 6: Final answer
    x = 25,945.73

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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.