Home / 35,781.60-49,380.82-20,676.98

Finding the Fourth Proportional to 35,781.60, 49,380.82 and 20,676.98

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Solution

The fourth proportional to 35,781.60, 49,380.82 and 20,676.98 is: 28,535.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,781.60 : 49,380.82 = 20,676.98 : x
  2. Step 2: Convert to fraction form
    35,781.60/49,380.82 = 20,676.98/x
  3. Step 3: Cross multiply
    35,781.60x = 49,380.82 × 20,676.98
  4. Step 4: Simplify right side
    35,781.60x = 1,021,046,227.52
  5. Step 5: Solve for x
    x = 1,021,046,227.52/35,781.60
  6. Step 6: Final answer
    x = 28,535.51

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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.