Home / 89,213.38-133,818.91-21,745.75

Finding the Fourth Proportional to 89,213.38, 133,818.91 and 21,745.75

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Solution

The fourth proportional to 89,213.38, 133,818.91 and 21,745.75 is: 32,618.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,213.38 : 133,818.91 = 21,745.75 : x
  2. Step 2: Convert to fraction form
    89,213.38/133,818.91 = 21,745.75/x
  3. Step 3: Cross multiply
    89,213.38x = 133,818.91 × 21,745.75
  4. Step 4: Simplify right side
    89,213.38x = 2,909,992,562.13
  5. Step 5: Solve for x
    x = 2,909,992,562.13/89,213.38
  6. Step 6: Final answer
    x = 32,618.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.