Home / 40,170.89-60,269.99-13,519.64

Finding the Fourth Proportional to 40,170.89, 60,269.99 and 13,519.64

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Solution

The fourth proportional to 40,170.89, 60,269.99 and 13,519.64 is: 20,284.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,170.89 : 60,269.99 = 13,519.64 : x
  2. Step 2: Convert to fraction form
    40,170.89/60,269.99 = 13,519.64/x
  3. Step 3: Cross multiply
    40,170.89x = 60,269.99 × 13,519.64
  4. Step 4: Simplify right side
    40,170.89x = 814,828,650.68
  5. Step 5: Solve for x
    x = 814,828,650.68/40,170.89
  6. Step 6: Final answer
    x = 20,284.06

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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.