Home / 31,815.36-43,904.97-17,668.17

Finding the Fourth Proportional to 31,815.36, 43,904.97 and 17,668.17

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Solution

The fourth proportional to 31,815.36, 43,904.97 and 17,668.17 is: 24,381.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,815.36 : 43,904.97 = 17,668.17 : x
  2. Step 2: Convert to fraction form
    31,815.36/43,904.97 = 17,668.17/x
  3. Step 3: Cross multiply
    31,815.36x = 43,904.97 × 17,668.17
  4. Step 4: Simplify right side
    31,815.36x = 775,720,473.80
  5. Step 5: Solve for x
    x = 775,720,473.80/31,815.36
  6. Step 6: Final answer
    x = 24,381.95

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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.