Home / 29,081.76-40,122.31-19,016.01

Finding the Fourth Proportional to 29,081.76, 40,122.31 and 19,016.01

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Solution

The fourth proportional to 29,081.76, 40,122.31 and 19,016.01 is: 26,235.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,081.76 : 40,122.31 = 19,016.01 : x
  2. Step 2: Convert to fraction form
    29,081.76/40,122.31 = 19,016.01/x
  3. Step 3: Cross multiply
    29,081.76x = 40,122.31 × 19,016.01
  4. Step 4: Simplify right side
    29,081.76x = 762,966,137.93
  5. Step 5: Solve for x
    x = 762,966,137.93/29,081.76
  6. Step 6: Final answer
    x = 26,235.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.