Home / 35,836.08-49,452.90-19,920.42

Finding the Fourth Proportional to 35,836.08, 49,452.90 and 19,920.42

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Solution

The fourth proportional to 35,836.08, 49,452.90 and 19,920.42 is: 27,489.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,836.08 : 49,452.90 = 19,920.42 : x
  2. Step 2: Convert to fraction form
    35,836.08/49,452.90 = 19,920.42/x
  3. Step 3: Cross multiply
    35,836.08x = 49,452.90 × 19,920.42
  4. Step 4: Simplify right side
    35,836.08x = 985,122,538.22
  5. Step 5: Solve for x
    x = 985,122,538.22/35,836.08
  6. Step 6: Final answer
    x = 27,489.68

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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.