Home / 31,797.36-43,880.81-17,651.12

Finding the Fourth Proportional to 31,797.36, 43,880.81 and 17,651.12

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Solution

The fourth proportional to 31,797.36, 43,880.81 and 17,651.12 is: 24,358.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,797.36 : 43,880.81 = 17,651.12 : x
  2. Step 2: Convert to fraction form
    31,797.36/43,880.81 = 17,651.12/x
  3. Step 3: Cross multiply
    31,797.36x = 43,880.81 × 17,651.12
  4. Step 4: Simplify right side
    31,797.36x = 774,545,135.35
  5. Step 5: Solve for x
    x = 774,545,135.35/31,797.36
  6. Step 6: Final answer
    x = 24,358.79

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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.