Home / 42,383.11-63,573.58-20,212.15

Finding the Fourth Proportional to 42,383.11, 63,573.58 and 20,212.15

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Solution

The fourth proportional to 42,383.11, 63,573.58 and 20,212.15 is: 30,317.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,383.11 : 63,573.58 = 20,212.15 : x
  2. Step 2: Convert to fraction form
    42,383.11/63,573.58 = 20,212.15/x
  3. Step 3: Cross multiply
    42,383.11x = 63,573.58 × 20,212.15
  4. Step 4: Simplify right side
    42,383.11x = 1,284,958,735.00
  5. Step 5: Solve for x
    x = 1,284,958,735.00/42,383.11
  6. Step 6: Final answer
    x = 30,317.71

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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.