Home / 52,511.96-78,778.19-16,982.10

Finding the Fourth Proportional to 52,511.96, 78,778.19 and 16,982.10

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Solution

The fourth proportional to 52,511.96, 78,778.19 and 16,982.10 is: 25,476.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,511.96 : 78,778.19 = 16,982.10 : x
  2. Step 2: Convert to fraction form
    52,511.96/78,778.19 = 16,982.10/x
  3. Step 3: Cross multiply
    52,511.96x = 78,778.19 × 16,982.10
  4. Step 4: Simplify right side
    52,511.96x = 1,337,819,015.49
  5. Step 5: Solve for x
    x = 1,337,819,015.49/52,511.96
  6. Step 6: Final answer
    x = 25,476.47

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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.