Home / 20,554.68-30,651.54-20,367.57

Finding the Fourth Proportional to 20,554.68, 30,651.54 and 20,367.57

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Solution

The fourth proportional to 20,554.68, 30,651.54 and 20,367.57 is: 30,372.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,554.68 : 30,651.54 = 20,367.57 : x
  2. Step 2: Convert to fraction form
    20,554.68/30,651.54 = 20,367.57/x
  3. Step 3: Cross multiply
    20,554.68x = 30,651.54 × 20,367.57
  4. Step 4: Simplify right side
    20,554.68x = 624,297,386.56
  5. Step 5: Solve for x
    x = 624,297,386.56/20,554.68
  6. Step 6: Final answer
    x = 30,372.52

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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.