Home / 35,324.05-48,749.90-20,221.45

Finding the Fourth Proportional to 35,324.05, 48,749.90 and 20,221.45

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Solution

The fourth proportional to 35,324.05, 48,749.90 and 20,221.45 is: 27,907.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,324.05 : 48,749.90 = 20,221.45 : x
  2. Step 2: Convert to fraction form
    35,324.05/48,749.90 = 20,221.45/x
  3. Step 3: Cross multiply
    35,324.05x = 48,749.90 × 20,221.45
  4. Step 4: Simplify right side
    35,324.05x = 985,793,556.12
  5. Step 5: Solve for x
    x = 985,793,556.12/35,324.05
  6. Step 6: Final answer
    x = 27,907.15

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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.