Home / 32,982.28-45,487.97-21,642.96

Finding the Fourth Proportional to 32,982.28, 45,487.97 and 21,642.96

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Solution

The fourth proportional to 32,982.28, 45,487.97 and 21,642.96 is: 29,849.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,982.28 : 45,487.97 = 21,642.96 : x
  2. Step 2: Convert to fraction form
    32,982.28/45,487.97 = 21,642.96/x
  3. Step 3: Cross multiply
    32,982.28x = 45,487.97 × 21,642.96
  4. Step 4: Simplify right side
    32,982.28x = 984,493,979.54
  5. Step 5: Solve for x
    x = 984,493,979.54/32,982.28
  6. Step 6: Final answer
    x = 29,849.18

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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.