Home / 32,972.67-45,505.80-21,651.30

Finding the Fourth Proportional to 32,972.67, 45,505.80 and 21,651.30

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Solution

The fourth proportional to 32,972.67, 45,505.80 and 21,651.30 is: 29,881.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,972.67 : 45,505.80 = 21,651.30 : x
  2. Step 2: Convert to fraction form
    32,972.67/45,505.80 = 21,651.30/x
  3. Step 3: Cross multiply
    32,972.67x = 45,505.80 × 21,651.30
  4. Step 4: Simplify right side
    32,972.67x = 985,259,727.54
  5. Step 5: Solve for x
    x = 985,259,727.54/32,972.67
  6. Step 6: Final answer
    x = 29,881.10

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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.