Home / 67,015.17-100,522.82-20,268.09

Finding the Fourth Proportional to 67,015.17, 100,522.82 and 20,268.09

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Solution

The fourth proportional to 67,015.17, 100,522.82 and 20,268.09 is: 30,402.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,015.17 : 100,522.82 = 20,268.09 : x
  2. Step 2: Convert to fraction form
    67,015.17/100,522.82 = 20,268.09/x
  3. Step 3: Cross multiply
    67,015.17x = 100,522.82 × 20,268.09
  4. Step 4: Simplify right side
    67,015.17x = 2,037,405,562.81
  5. Step 5: Solve for x
    x = 2,037,405,562.81/67,015.17
  6. Step 6: Final answer
    x = 30,402.15

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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.