Home / 67,015.42-100,523.19-20,268.34

Finding the Fourth Proportional to 67,015.42, 100,523.19 and 20,268.34

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Solution

The fourth proportional to 67,015.42, 100,523.19 and 20,268.34 is: 30,402.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,015.42 : 100,523.19 = 20,268.34 : x
  2. Step 2: Convert to fraction form
    67,015.42/100,523.19 = 20,268.34/x
  3. Step 3: Cross multiply
    67,015.42x = 100,523.19 × 20,268.34
  4. Step 4: Simplify right side
    67,015.42x = 2,037,438,192.80
  5. Step 5: Solve for x
    x = 2,037,438,192.80/67,015.42
  6. Step 6: Final answer
    x = 30,402.53

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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.