Home / 35,778.26-49,380.29-20,671.49

Finding the Fourth Proportional to 35,778.26, 49,380.29 and 20,671.49

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Solution

The fourth proportional to 35,778.26, 49,380.29 and 20,671.49 is: 28,530.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,778.26 : 49,380.29 = 20,671.49 : x
  2. Step 2: Convert to fraction form
    35,778.26/49,380.29 = 20,671.49/x
  3. Step 3: Cross multiply
    35,778.26x = 49,380.29 × 20,671.49
  4. Step 4: Simplify right side
    35,778.26x = 1,020,764,170.93
  5. Step 5: Solve for x
    x = 1,020,764,170.93/35,778.26
  6. Step 6: Final answer
    x = 28,530.29

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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.