Home / 56,450.43-84,645.39-18,998.07

Finding the Fourth Proportional to 56,450.43, 84,645.39 and 18,998.07

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Solution

The fourth proportional to 56,450.43, 84,645.39 and 18,998.07 is: 28,486.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,450.43 : 84,645.39 = 18,998.07 : x
  2. Step 2: Convert to fraction form
    56,450.43/84,645.39 = 18,998.07/x
  3. Step 3: Cross multiply
    56,450.43x = 84,645.39 × 18,998.07
  4. Step 4: Simplify right side
    56,450.43x = 1,608,099,044.40
  5. Step 5: Solve for x
    x = 1,608,099,044.40/56,450.43
  6. Step 6: Final answer
    x = 28,486.92

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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.