Home / 31,993.82-44,165.63-20,668.84

Finding the Fourth Proportional to 31,993.82, 44,165.63 and 20,668.84

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Solution

The fourth proportional to 31,993.82, 44,165.63 and 20,668.84 is: 28,532.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,993.82 : 44,165.63 = 20,668.84 : x
  2. Step 2: Convert to fraction form
    31,993.82/44,165.63 = 20,668.84/x
  3. Step 3: Cross multiply
    31,993.82x = 44,165.63 × 20,668.84
  4. Step 4: Simplify right side
    31,993.82x = 912,852,339.97
  5. Step 5: Solve for x
    x = 912,852,339.97/31,993.82
  6. Step 6: Final answer
    x = 28,532.15

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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.