Home / 45,493.43-68,278.49-19,217.03

Finding the Fourth Proportional to 45,493.43, 68,278.49 and 19,217.03

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Solution

The fourth proportional to 45,493.43, 68,278.49 and 19,217.03 is: 28,841.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,493.43 : 68,278.49 = 19,217.03 : x
  2. Step 2: Convert to fraction form
    45,493.43/68,278.49 = 19,217.03/x
  3. Step 3: Cross multiply
    45,493.43x = 68,278.49 × 19,217.03
  4. Step 4: Simplify right side
    45,493.43x = 1,312,109,790.68
  5. Step 5: Solve for x
    x = 1,312,109,790.68/45,493.43
  6. Step 6: Final answer
    x = 28,841.74

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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.