Home / 50,140.44-75,211.20-20,537.64

Finding the Fourth Proportional to 50,140.44, 75,211.20 and 20,537.64

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Solution

The fourth proportional to 50,140.44, 75,211.20 and 20,537.64 is: 30,806.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,140.44 : 75,211.20 = 20,537.64 : x
  2. Step 2: Convert to fraction form
    50,140.44/75,211.20 = 20,537.64/x
  3. Step 3: Cross multiply
    50,140.44x = 75,211.20 × 20,537.64
  4. Step 4: Simplify right side
    50,140.44x = 1,544,660,549.57
  5. Step 5: Solve for x
    x = 1,544,660,549.57/50,140.44
  6. Step 6: Final answer
    x = 30,806.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.