Home / 31,429.70-43,372.26-17,089.31

Finding the Fourth Proportional to 31,429.70, 43,372.26 and 17,089.31

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Solution

The fourth proportional to 31,429.70, 43,372.26 and 17,089.31 is: 23,582.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,429.70 : 43,372.26 = 17,089.31 : x
  2. Step 2: Convert to fraction form
    31,429.70/43,372.26 = 17,089.31/x
  3. Step 3: Cross multiply
    31,429.70x = 43,372.26 × 17,089.31
  4. Step 4: Simplify right side
    31,429.70x = 741,201,996.54
  5. Step 5: Solve for x
    x = 741,201,996.54/31,429.70
  6. Step 6: Final answer
    x = 23,582.85

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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.