Home / 20,241.60-30,365.58-5,451.10

Finding the Fourth Proportional to 20,241.60, 30,365.58 and 5,451.10

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Solution

The fourth proportional to 20,241.60, 30,365.58 and 5,451.10 is: 8,177.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,241.60 : 30,365.58 = 5,451.10 : x
  2. Step 2: Convert to fraction form
    20,241.60/30,365.58 = 5,451.10/x
  3. Step 3: Cross multiply
    20,241.60x = 30,365.58 × 5,451.10
  4. Step 4: Simplify right side
    20,241.60x = 165,525,757.67
  5. Step 5: Solve for x
    x = 165,525,757.67/20,241.60
  6. Step 6: Final answer
    x = 8,177.51

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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.