Home / 43,456.28-65,184.42-20,079.68

Finding the Fourth Proportional to 43,456.28, 65,184.42 and 20,079.68

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Solution

The fourth proportional to 43,456.28, 65,184.42 and 20,079.68 is: 30,119.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,456.28 : 65,184.42 = 20,079.68 : x
  2. Step 2: Convert to fraction form
    43,456.28/65,184.42 = 20,079.68/x
  3. Step 3: Cross multiply
    43,456.28x = 65,184.42 × 20,079.68
  4. Step 4: Simplify right side
    43,456.28x = 1,308,882,294.59
  5. Step 5: Solve for x
    x = 1,308,882,294.59/43,456.28
  6. Step 6: Final answer
    x = 30,119.52

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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.