Home / 39,968.73-55,157.24-22,063.35

Finding the Fourth Proportional to 39,968.73, 55,157.24 and 22,063.35

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Solution

The fourth proportional to 39,968.73, 55,157.24 and 22,063.35 is: 30,447.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,968.73 : 55,157.24 = 22,063.35 : x
  2. Step 2: Convert to fraction form
    39,968.73/55,157.24 = 22,063.35/x
  3. Step 3: Cross multiply
    39,968.73x = 55,157.24 × 22,063.35
  4. Step 4: Simplify right side
    39,968.73x = 1,216,953,380.84
  5. Step 5: Solve for x
    x = 1,216,953,380.84/39,968.73
  6. Step 6: Final answer
    x = 30,447.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.