Home / 20,241.63-30,359.02-5,447.25

Finding the Fourth Proportional to 20,241.63, 30,359.02 and 5,447.25

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Solution

The fourth proportional to 20,241.63, 30,359.02 and 5,447.25 is: 8,169.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,241.63 : 30,359.02 = 5,447.25 : x
  2. Step 2: Convert to fraction form
    20,241.63/30,359.02 = 5,447.25/x
  3. Step 3: Cross multiply
    20,241.63x = 30,359.02 × 5,447.25
  4. Step 4: Simplify right side
    20,241.63x = 165,373,171.70
  5. Step 5: Solve for x
    x = 165,373,171.70/20,241.63
  6. Step 6: Final answer
    x = 8,169.95

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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.