Home / 52,297.38-78,421.43-18,993.96

Finding the Fourth Proportional to 52,297.38, 78,421.43 and 18,993.96

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Solution

The fourth proportional to 52,297.38, 78,421.43 and 18,993.96 is: 28,481.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,297.38 : 78,421.43 = 18,993.96 : x
  2. Step 2: Convert to fraction form
    52,297.38/78,421.43 = 18,993.96/x
  3. Step 3: Cross multiply
    52,297.38x = 78,421.43 × 18,993.96
  4. Step 4: Simplify right side
    52,297.38x = 1,489,533,552.05
  5. Step 5: Solve for x
    x = 1,489,533,552.05/52,297.38
  6. Step 6: Final answer
    x = 28,481.99

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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.