Home / 31,739.77-43,799.63-17,399.29

Finding the Fourth Proportional to 31,739.77, 43,799.63 and 17,399.29

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Solution

The fourth proportional to 31,739.77, 43,799.63 and 17,399.29 is: 24,010.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,739.77 : 43,799.63 = 17,399.29 : x
  2. Step 2: Convert to fraction form
    31,739.77/43,799.63 = 17,399.29/x
  3. Step 3: Cross multiply
    31,739.77x = 43,799.63 × 17,399.29
  4. Step 4: Simplify right side
    31,739.77x = 762,082,377.27
  5. Step 5: Solve for x
    x = 762,082,377.27/31,739.77
  6. Step 6: Final answer
    x = 24,010.33

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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.