Home / 32,961.28-45,507.56-21,650.88

Finding the Fourth Proportional to 32,961.28, 45,507.56 and 21,650.88

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Solution

The fourth proportional to 32,961.28, 45,507.56 and 21,650.88 is: 29,892.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,961.28 : 45,507.56 = 21,650.88 : x
  2. Step 2: Convert to fraction form
    32,961.28/45,507.56 = 21,650.88/x
  3. Step 3: Cross multiply
    32,961.28x = 45,507.56 × 21,650.88
  4. Step 4: Simplify right side
    32,961.28x = 985,278,720.65
  5. Step 5: Solve for x
    x = 985,278,720.65/32,961.28
  6. Step 6: Final answer
    x = 29,892.00

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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.