Home / 20,022.56-30,052.03-10,670.57

Finding the Fourth Proportional to 20,022.56, 30,052.03 and 10,670.57

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Solution

The fourth proportional to 20,022.56, 30,052.03 and 10,670.57 is: 16,015.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,022.56 : 30,052.03 = 10,670.57 : x
  2. Step 2: Convert to fraction form
    20,022.56/30,052.03 = 10,670.57/x
  3. Step 3: Cross multiply
    20,022.56x = 30,052.03 × 10,670.57
  4. Step 4: Simplify right side
    20,022.56x = 320,672,245.52
  5. Step 5: Solve for x
    x = 320,672,245.52/20,022.56
  6. Step 6: Final answer
    x = 16,015.55

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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.