Home / 36,801.82-50,785.70-21,491

Finding the Fourth Proportional to 36,801.82, 50,785.70 and 21,491

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Solution

The fourth proportional to 36,801.82, 50,785.70 and 21,491 is: 29,657.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,801.82 : 50,785.70 = 21,491 : x
  2. Step 2: Convert to fraction form
    36,801.82/50,785.70 = 21,491/x
  3. Step 3: Cross multiply
    36,801.82x = 50,785.70 × 21,491
  4. Step 4: Simplify right side
    36,801.82x = 1,091,435,478.70
  5. Step 5: Solve for x
    x = 1,091,435,478.70/36,801.82
  6. Step 6: Final answer
    x = 29,657.11

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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.