Home / 40,135.84-60,215.64-13,843.24

Finding the Fourth Proportional to 40,135.84, 60,215.64 and 13,843.24

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Solution

The fourth proportional to 40,135.84, 60,215.64 and 13,843.24 is: 20,768.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,135.84 : 60,215.64 = 13,843.24 : x
  2. Step 2: Convert to fraction form
    40,135.84/60,215.64 = 13,843.24/x
  3. Step 3: Cross multiply
    40,135.84x = 60,215.64 × 13,843.24
  4. Step 4: Simplify right side
    40,135.84x = 833,579,556.27
  5. Step 5: Solve for x
    x = 833,579,556.27/40,135.84
  6. Step 6: Final answer
    x = 20,768.96

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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.