Home / 32,428.30-48,618.82-21,872.11

Finding the Fourth Proportional to 32,428.30, 48,618.82 and 21,872.11

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Solution

The fourth proportional to 32,428.30, 48,618.82 and 21,872.11 is: 32,792.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,428.30 : 48,618.82 = 21,872.11 : x
  2. Step 2: Convert to fraction form
    32,428.30/48,618.82 = 21,872.11/x
  3. Step 3: Cross multiply
    32,428.30x = 48,618.82 × 21,872.11
  4. Step 4: Simplify right side
    32,428.30x = 1,063,396,179.11
  5. Step 5: Solve for x
    x = 1,063,396,179.11/32,428.30
  6. Step 6: Final answer
    x = 32,792.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.