Home / 38,072.25-57,113.82-11,779.04

Finding the Fourth Proportional to 38,072.25, 57,113.82 and 11,779.04

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Solution

The fourth proportional to 38,072.25, 57,113.82 and 11,779.04 is: 17,670.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,072.25 : 57,113.82 = 11,779.04 : x
  2. Step 2: Convert to fraction form
    38,072.25/57,113.82 = 11,779.04/x
  3. Step 3: Cross multiply
    38,072.25x = 57,113.82 × 11,779.04
  4. Step 4: Simplify right side
    38,072.25x = 672,746,113.12
  5. Step 5: Solve for x
    x = 672,746,113.12/38,072.25
  6. Step 6: Final answer
    x = 17,670.25

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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.