Home / 35,379.82-48,823.97-20,272.71

Finding the Fourth Proportional to 35,379.82, 48,823.97 and 20,272.71

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Solution

The fourth proportional to 35,379.82, 48,823.97 and 20,272.71 is: 27,976.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,379.82 : 48,823.97 = 20,272.71 : x
  2. Step 2: Convert to fraction form
    35,379.82/48,823.97 = 20,272.71/x
  3. Step 3: Cross multiply
    35,379.82x = 48,823.97 × 20,272.71
  4. Step 4: Simplify right side
    35,379.82x = 989,794,266.59
  5. Step 5: Solve for x
    x = 989,794,266.59/35,379.82
  6. Step 6: Final answer
    x = 27,976.24

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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.