Home / 32,912.62-45,403.32-21,577.12

Finding the Fourth Proportional to 32,912.62, 45,403.32 and 21,577.12

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Solution

The fourth proportional to 32,912.62, 45,403.32 and 21,577.12 is: 29,765.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,912.62 : 45,403.32 = 21,577.12 : x
  2. Step 2: Convert to fraction form
    32,912.62/45,403.32 = 21,577.12/x
  3. Step 3: Cross multiply
    32,912.62x = 45,403.32 × 21,577.12
  4. Step 4: Simplify right side
    32,912.62x = 979,672,884.04
  5. Step 5: Solve for x
    x = 979,672,884.04/32,912.62
  6. Step 6: Final answer
    x = 29,765.87

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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.