Home / 31,951.41-44,079.98-21,201.36

Finding the Fourth Proportional to 31,951.41, 44,079.98 and 21,201.36

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Solution

The fourth proportional to 31,951.41, 44,079.98 and 21,201.36 is: 29,249.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,951.41 : 44,079.98 = 21,201.36 : x
  2. Step 2: Convert to fraction form
    31,951.41/44,079.98 = 21,201.36/x
  3. Step 3: Cross multiply
    31,951.41x = 44,079.98 × 21,201.36
  4. Step 4: Simplify right side
    31,951.41x = 934,555,418.77
  5. Step 5: Solve for x
    x = 934,555,418.77/31,951.41
  6. Step 6: Final answer
    x = 29,249.27

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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.