Home / 35,462.73-48,934.96-20,351.78

Finding the Fourth Proportional to 35,462.73, 48,934.96 and 20,351.78

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Solution

The fourth proportional to 35,462.73, 48,934.96 and 20,351.78 is: 28,083.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,462.73 : 48,934.96 = 20,351.78 : x
  2. Step 2: Convert to fraction form
    35,462.73/48,934.96 = 20,351.78/x
  3. Step 3: Cross multiply
    35,462.73x = 48,934.96 × 20,351.78
  4. Step 4: Simplify right side
    35,462.73x = 995,913,540.23
  5. Step 5: Solve for x
    x = 995,913,540.23/35,462.73
  6. Step 6: Final answer
    x = 28,083.39

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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.