Home / 38,069.46-57,101.76-11,772

Finding the Fourth Proportional to 38,069.46, 57,101.76 and 11,772

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Solution

The fourth proportional to 38,069.46, 57,101.76 and 11,772 is: 17,657.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,069.46 : 57,101.76 = 11,772 : x
  2. Step 2: Convert to fraction form
    38,069.46/57,101.76 = 11,772/x
  3. Step 3: Cross multiply
    38,069.46x = 57,101.76 × 11,772
  4. Step 4: Simplify right side
    38,069.46x = 672,201,918.72
  5. Step 5: Solve for x
    x = 672,201,918.72/38,069.46
  6. Step 6: Final answer
    x = 17,657.25

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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.