Home / 52,040.36-71,815.43-29,379.15

Finding the Fourth Proportional to 52,040.36, 71,815.43 and 29,379.15

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Solution

The fourth proportional to 52,040.36, 71,815.43 and 29,379.15 is: 40,543.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,040.36 : 71,815.43 = 29,379.15 : x
  2. Step 2: Convert to fraction form
    52,040.36/71,815.43 = 29,379.15/x
  3. Step 3: Cross multiply
    52,040.36x = 71,815.43 × 29,379.15
  4. Step 4: Simplify right side
    52,040.36x = 2,109,876,143.39
  5. Step 5: Solve for x
    x = 2,109,876,143.39/52,040.36
  6. Step 6: Final answer
    x = 40,543.08

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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.