Home / 38,298.26-57,447.40-12,005.04

Finding the Fourth Proportional to 38,298.26, 57,447.40 and 12,005.04

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Solution

The fourth proportional to 38,298.26, 57,447.40 and 12,005.04 is: 18,007.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,298.26 : 57,447.40 = 12,005.04 : x
  2. Step 2: Convert to fraction form
    38,298.26/57,447.40 = 12,005.04/x
  3. Step 3: Cross multiply
    38,298.26x = 57,447.40 × 12,005.04
  4. Step 4: Simplify right side
    38,298.26x = 689,658,334.90
  5. Step 5: Solve for x
    x = 689,658,334.90/38,298.26
  6. Step 6: Final answer
    x = 18,007.56

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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.