Home / 20,544.82-30,668.61-18,053.70

Finding the Fourth Proportional to 20,544.82, 30,668.61 and 18,053.70

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Solution

The fourth proportional to 20,544.82, 30,668.61 and 18,053.70 is: 26,949.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,544.82 : 30,668.61 = 18,053.70 : x
  2. Step 2: Convert to fraction form
    20,544.82/30,668.61 = 18,053.70/x
  3. Step 3: Cross multiply
    20,544.82x = 30,668.61 × 18,053.70
  4. Step 4: Simplify right side
    20,544.82x = 553,681,685.88
  5. Step 5: Solve for x
    x = 553,681,685.88/20,544.82
  6. Step 6: Final answer
    x = 26,949.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.