Home / 35,122.14-48,452.31-20,209.50

Finding the Fourth Proportional to 35,122.14, 48,452.31 and 20,209.50

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Solution

The fourth proportional to 35,122.14, 48,452.31 and 20,209.50 is: 27,879.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,122.14 : 48,452.31 = 20,209.50 : x
  2. Step 2: Convert to fraction form
    35,122.14/48,452.31 = 20,209.50/x
  3. Step 3: Cross multiply
    35,122.14x = 48,452.31 × 20,209.50
  4. Step 4: Simplify right side
    35,122.14x = 979,196,958.95
  5. Step 5: Solve for x
    x = 979,196,958.95/35,122.14
  6. Step 6: Final answer
    x = 27,879.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.