Home / 40,245.84-60,383.16-20,529.36

Finding the Fourth Proportional to 40,245.84, 60,383.16 and 20,529.36

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Solution

The fourth proportional to 40,245.84, 60,383.16 and 20,529.36 is: 30,801.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,245.84 : 60,383.16 = 20,529.36 : x
  2. Step 2: Convert to fraction form
    40,245.84/60,383.16 = 20,529.36/x
  3. Step 3: Cross multiply
    40,245.84x = 60,383.16 × 20,529.36
  4. Step 4: Simplify right side
    40,245.84x = 1,239,627,629.58
  5. Step 5: Solve for x
    x = 1,239,627,629.58/40,245.84
  6. Step 6: Final answer
    x = 30,801.39

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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.