Home / 32,660.92-45,020.88-21,310.38

Finding the Fourth Proportional to 32,660.92, 45,020.88 and 21,310.38

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Solution

The fourth proportional to 32,660.92, 45,020.88 and 21,310.38 is: 29,374.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,660.92 : 45,020.88 = 21,310.38 : x
  2. Step 2: Convert to fraction form
    32,660.92/45,020.88 = 21,310.38/x
  3. Step 3: Cross multiply
    32,660.92x = 45,020.88 × 21,310.38
  4. Step 4: Simplify right side
    32,660.92x = 959,412,060.73
  5. Step 5: Solve for x
    x = 959,412,060.73/32,660.92
  6. Step 6: Final answer
    x = 29,374.92

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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.