Home / 31,739.87-43,799.20-17,396.91

Finding the Fourth Proportional to 31,739.87, 43,799.20 and 17,396.91

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Solution

The fourth proportional to 31,739.87, 43,799.20 and 17,396.91 is: 24,006.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,739.87 : 43,799.20 = 17,396.91 : x
  2. Step 2: Convert to fraction form
    31,739.87/43,799.20 = 17,396.91/x
  3. Step 3: Cross multiply
    31,739.87x = 43,799.20 × 17,396.91
  4. Step 4: Simplify right side
    31,739.87x = 761,970,696.98
  5. Step 5: Solve for x
    x = 761,970,696.98/31,739.87
  6. Step 6: Final answer
    x = 24,006.73

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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.