Home / 43,451.28-65,176.92-20,074.68

Finding the Fourth Proportional to 43,451.28, 65,176.92 and 20,074.68

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Solution

The fourth proportional to 43,451.28, 65,176.92 and 20,074.68 is: 30,112.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,451.28 : 65,176.92 = 20,074.68 : x
  2. Step 2: Convert to fraction form
    43,451.28/65,176.92 = 20,074.68/x
  3. Step 3: Cross multiply
    43,451.28x = 65,176.92 × 20,074.68
  4. Step 4: Simplify right side
    43,451.28x = 1,308,405,812.39
  5. Step 5: Solve for x
    x = 1,308,405,812.39/43,451.28
  6. Step 6: Final answer
    x = 30,112.02

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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.