Home / 38,402.33-57,639.14-19,696.19

Finding the Fourth Proportional to 38,402.33, 57,639.14 and 19,696.19

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Solution

The fourth proportional to 38,402.33, 57,639.14 and 19,696.19 is: 29,562.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,402.33 : 57,639.14 = 19,696.19 : x
  2. Step 2: Convert to fraction form
    38,402.33/57,639.14 = 19,696.19/x
  3. Step 3: Cross multiply
    38,402.33x = 57,639.14 × 19,696.19
  4. Step 4: Simplify right side
    38,402.33x = 1,135,271,354.40
  5. Step 5: Solve for x
    x = 1,135,271,354.40/38,402.33
  6. Step 6: Final answer
    x = 29,562.56

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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.