Home / 30,199.62-41,626.98-20,506.04

Finding the Fourth Proportional to 30,199.62, 41,626.98 and 20,506.04

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Solution

The fourth proportional to 30,199.62, 41,626.98 and 20,506.04 is: 28,265.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,199.62 : 41,626.98 = 20,506.04 : x
  2. Step 2: Convert to fraction form
    30,199.62/41,626.98 = 20,506.04/x
  3. Step 3: Cross multiply
    30,199.62x = 41,626.98 × 20,506.04
  4. Step 4: Simplify right side
    30,199.62x = 853,604,516.96
  5. Step 5: Solve for x
    x = 853,604,516.96/30,199.62
  6. Step 6: Final answer
    x = 28,265.41

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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.